POSTS BY CATEGORY

2023-03-09

A Connection Error when Using MATLAB Instrument Control Toolbox

2023-02-26

An Example of using the Panelbox Minimize/Maximize Function from MATLAB GUI Layout Toolbox

2023-02-26

An Example Creating MATLAB GUI with Object-oriented and Model-View-Controller Programming Methods

2023-02-25

A GUI Demo Browser from MATLAB GUI Layout Toolbox

2023-02-25

Hello, MATLAB GUI Layout Toolbox!

2023-02-24

Collecting Block Data in MATLAB via PicoScope 4824A

2023-02-23

Connecting PicoScope 4824A in MATLAB

2023-02-22

Dependent Property and Its get Method and set Method of MATLAB Handle Class

2023-01-26

Spectrum of Periodic Signals

2023-01-26

An Arduino Sample Project Based on LED and Button

2023-01-25

Fourier Series of Periodic Signals

2023-01-25

Connect Arduino and Measure Temperature using MATLAB

2023-01-24

Implement Optical Character Recognition (OCR) in MATLAB

2023-01-22

Read and Play Audio in MATLAB

2023-01-14

Suggest Fix for MATLAB Exception

2023-01-13

MATLAB assert Function

2023-01-12

MATLAB try-catch Block

2023-01-12

Color Palettes in R Package ggsci

2023-01-10

Physical System Modeling using LSTM Network in MATLAB Simulink

2023-01-06

Compare Deep Learning Networks Based on ROC Curves in MATLAB

2023-01-06

Receiver Operating Characteristic (ROC) Curve in MATLAB

2023-01-06

Color Spaces in MATLAB

2023-01-03

Two Methods of Calling MATLAB Code in LabVIEW

2022-12-28

Sequence Classification Using LSTM and 1-D Convolutions in MATLAB

2022-12-10

Only Show Partial Legends When Plotting Lines in MATLAB

2022-12-02

Contrast Training Error and Test Error (or Validation Error) of AI Models

2022-12-02

Plot Bar Charts with Error Bars in MATLAB

2022-12-02

Cubic Bezier Curve Fitting and Third Polynomial Curve Fitting

2022-11-24

The Processing Methods for Ill-conditioned SCM in MATLAB fitgimdist, mahal and mvnrnd Functions in Extremely Small-Sample Cases

2022-11-22

Discussions of Continuity and Parameterization in BREP From MTU

2022-11-21

A Way to Generate A Colormap in MATLAB

2022-11-19

Bernstein Polynomial and Bézier Curve

2022-11-19

The Gradient is Perpendicular to the Tangent of the Contour Line

2022-11-07

De-PCA? NO!

2022-11-02

MATLAB Normalize Function

2022-10-28

MATLAB var, std, and cov Functions

2022-10-25

An Example of Extracting Frequency-domain and Time-domain Statistical Features

2022-10-24

Wishart Distribution, Inverse-Wishart Distribution, Normal-Inverse-Wishart Distribution

2022-10-22

An Unexpected Problem Happening in Conversion Between Categorical and Single or Double Data Types in MATLAB

2022-10-13

Multi-input and Multi-output Neural Network Structures in MATLAB

2022-10-12

A Small Custom Function, Testing the Output Size of Each Layer of Neural Network in MATLAB

2022-10-10

Generate Synthetic Signals using Conditional GAN (CGAN) in MATLAB

2022-10-09

Train Wassertein GAN with Gradient with Gradient Penalty (WGAN-GP) in MATLAB

2022-10-09

Train Conditional Generative Adversarial Network (CGAN) in MATLAB

2022-10-09

Train Generative Adversarial Network (GAN) in MATLAB

2022-10-09

Export High Fidelity Graphics in MATLAB

2022-10-07

Batch Modify Files and Folders Name in MATLAB

2022-10-06

Fill the Interval Area Between Two Curves by MATLAB fill Function

2022-10-06

Train Variational Autoencoder (VAE) to Generate Images in MATLAB

2022-10-03

Create Word Cloud in MATLAB

2022-10-02

Structure + arrayfun Function, Cell + cellfun Function (MATLAB Data Types)

2022-10-01

Discrete Probability Distributions (Binomial Distribution, Poisson Distribution, Hypergeometric Distribution)

2022-10-01

Exponential Distribution and Weibull Distribution

2022-09-30

MATLAB bsxfun Function

2022-09-29

A Hypothesis Test Practice

2022-09-28

MATLAB filloutliers function

2022-09-26

MATLAB movmean and movmedian Function

2022-09-26

Contrast Built-in predict Method and Custom Predict Process in MATLAB

2022-09-25

Partition Data by MATLAB cvpartition Function

2022-09-24

Condition Monitoring and Prognostics based on Vibration Signals in MATLAB

2022-09-21

Contrast the Models Trained by Mixed Data Set and Only Generated Data Set

2022-09-14

Correct Data Leakage Problem

2022-09-13

Chi-square Distribution, Student’s t Distribution, and F Distribution

2022-09-13

MATLAB sprintf Function and title Function

2022-09-12

Gaussian Mixture Model (GMM)

2022-09-12

Train an SVM Using Generated Data by MVN-RNG, and Test with Real Data

2022-09-10

Multivariate Normal Distribution and Mahalanobis Distance

2022-09-07

MATLAB tiledlayout Function and subplot Function

2022-09-04

2022-09-04

Colorful Black

2022-09-02

MATLAB scatter Function

2022-08-31

Build a Solenoid with Magnetic Blocks Using MATLAB Simulink

2022-08-28

Build a Solenoid Parameterized with FEM Data using MATLAB Simulink

2022-08-28

Physical Constants of Foundation Domain of MATLAB Simulink Simscape Components

2022-08-26

2022-08-25

2022-08-23

Nonlinear Oscillation Circuit: Van del Pol Circuit

2022-08-20

Chaotic Circuit: Chua’s Circuit

2022-08-19

Realize Batch Simulation and Use simulationEnsembleDatastore to Organize Simulation Results in MATLAB Simulink

2022-08-09

MATLAB eval Function

2022-08-09

Set Signal Logging in MATLAB Simulink

2022-08-08

Using the App to Pass Parameters to Simulink Models in MATLAB

2022-08-08

Parent Container of Components

2022-08-07

Automatically Generate C Language Code and Executable Programs for Simulink Models in MATLAB

2022-08-05

Generate Machine Learning Model .m Code Files Automatically in MATLAB

2022-08-02

Share Data between Multi-window MATLAB Apps

2022-07-31

Invoke Structure Fields using Variables in MATLAB

2022-07-30

Floating Point Representation and Machine Representation of Decimal Digits (IEEE 754 Standards)

2022-07-23

Plot Circle Based on Parametric Equation

2022-07-19

MATLAB imagesc Function

2022-07-18

Incremental Learning in MATLAB

2022-07-15

Position Settings of Figure and Axes in MATLAB

2022-06-23

MATLAB Deep Learning Toolbox Error: Invalid input data. Invalid number of spatial dimensions. Layer expects 0 but received 1.

2022-06-08

LaTeX (128)

LaTeX bbding Package — A symbol set

2025-11-15

LaTeX \skew Command — Horizontally adjust the positioning on accents, tilde, and hat etc.

2025-11-15

LaTeX Length \mathsurround — Adjust the extra spacing between inline math environment and text

2025-11-15

Type Equations in LaTeX standalone Document

2025-11-13

LaTeX Breaking Spaces, Non-Breaking Spaces, and Math Spacing Commands

2025-11-12

Scalable Parentheses and Brackets in LaTeX Equations — Use \left and \right before parentheses commands

2025-11-12

CTAN Lion — An example image that can be used to test figure settings in LaTeX

2025-11-11

Adjust the Distance between Figure and Main Text in LaTeX Using \vspace* Command

2025-11-10

LaTeX TikZ Option execute at end picture

2025-11-09

Plot Coordinates Using LaTeX TikZ

2025-11-09

LaTeX balance Package — Align the bottom of last page in two-column document

2025-11-09

LaTeX enumitem Package — Customize lists style

2025-11-07

Customize LaTeX TikZ Style Using Commands \tikzset, \tikzstyle, and/or Options of tikzpicture Environment

2025-11-07

Specify Typeface as Arial in LaTeX Using \setsansfont Command

2025-11-07

Display Each TikZ Figure in One Page in a LaTeX standalone Document

2025-11-07

Change LaTeX Compiler in Overleaf

2025-11-06

LaTeX Command \justifying of ragged2e Package — Switch back to justified text after ragged text

2025-10-29

Align Contents in LaTeX — Environments center, Center, flushleft, FlushLeft, flushright, FlushRight, and commands \centering, \Centering, \raggedleft, \RaggedLeft, \raggedright, \RaggedRight

2025-10-29

Hide Subfigure Caption Label (and Its Counter) in LaTeX

2025-10-24

LaTeX Commands \multicolumn and \multirow — Merge multiple table cells horizentally and vertically

2025-10-22

A LaTeX Error Caused by the graphics Package — Argument of \Gin@iii has an extra } (Use graphicx Package Instead to Solve)

2025-10-22

Organize Multiple Subfigures Like MATLAB tiledlayout Function in LaTeX

2025-10-22

Some Common Circuit Component Diagrams Provided by the LaTeX CircuiTikZ Package

2025-06-14

LaTeX Commands \listoffigures and \listoftables — Create a TOC for Figures and Tables

2025-06-13

Force Floats Appear Where They Are Defined in LaTeX

2025-06-11

Use shift, xshift, yshift, and shift only Key in LaTeX TikZ to Reduce the Workload of Calculating Coordinates

2025-06-09

LaTeX TikZ shape Option and shapes Library

2025-06-08

Cross Reference for TikZ Figures in LaTeX

2025-06-06

Use Relative Coordinates in LaTeX TikZ — ++ vs. +

2025-06-06

LaTeX CircuiTikz Examples (II)

2025-06-01

LaTeX CircuiTikz Examples (I)

2025-06-01

Cross Out Text (Strikethrough) in LaTeX — The soul package, ulem package, and cancel package

2025-05-29

Line Break in Text in LaTeX Equation Environments

2025-05-24

Adjust the Row Height of the Table in LaTeX

2025-05-24

Print MATLAB Source Code in LaTeX

2025-05-24

Change the Paper Size in the Middle of A Document in LaTeX

2025-05-23

LaTeX \pageref Command

2025-05-23

LaTeX showlabels Package — Keep track of all defined labels

2025-05-23

Highlight Parts of An Equation in LaTeX

2025-05-19

LaTeX Commands \definecolor and \colorlet of xcolor Package

2025-05-19

Adjust the Line Spacing of Multiple-Equation Environments in LaTeX

2025-05-19

Realize More Section Levels in LaTeX article Document Class

2025-05-19

LaTeX align, alignat, and flalign Environments

2025-05-19

Insert Text in the align Environment by \intertext and \shortintertext in LaTeX

2025-05-18

LaTeX \phantom, \vphantom, and \hphantom Commands

2025-05-18

Number Equations and Figures by Sections or Subsections in LaTeX

2025-05-16

Subnumbering of Equations in LaTeX — align environment and subequations environment

2025-05-16

Circled Numbers in LaTeX

2025-05-13

An Example of Page Numbering in LaTeX

2025-05-13

Examples from LaTeX tcolorbox Package

2025-05-12

Increase the Maximum Number of Matrix Columns when Using LaTeX \bmatrix Environment

2025-05-12

LaTeX Component-wise Inequality Symbols: $\preceq$ and $\succeq$ etc.

2025-04-11

Display A MATLAB Numerical Matrix in the Form of LaTeX Matrix

2025-02-09

An Introduction to TeX Engines, TeX Formats, and TeX Distributions

2025-01-27

2025-01-26

Realize Inline Code Block in LaTeX: \verb, \verb*, \texttt, vs. \lstinline of listings Package

2025-01-26

Hello, Metafont!

2025-01-17

Color the Table in LaTeX Using xcolor Package, tabularray Package, and TikZ

2025-01-16

LaTeX Long Table

2025-01-16

Compile LaTeX File Using Command Line

2025-01-16

LaTeX \parskip and parskip Package

2025-01-16

LaTeX \leftskip and \rightskip (including a simple introduction to LaTeX glue, or, rubber length)

2025-01-16

Use Commands to Get Font Information in LaTeX

2025-01-12

Make the Document Orientation as "Landscape" in LaTeX

2025-01-12

Specify Font Typeface in LaTeX

2025-01-12

Specify Font Family, Font Shape, and Font Series in LaTeX

2025-01-12

Add Corner Marks and Watermark in LaTeX

2025-01-10

Use Rulers for Measurement in LaTeX Document

2025-01-10

LaTeX Box Commands: \mbox, \makebox, \fbox, \framebox and \parbox

2025-01-09

Cancel Paragraph Indentation Globally in LaTeX (including a simple introduction to LaTeX length variables)

2025-01-07

Option Clash Errors of LaTeX xcolor Package Caused by Simultaneously Importing xcolor Package and Other Packages

2025-01-05

Style Chapter Format in LaTeX

2025-01-04

LaTeX hologo Package

2025-01-04

Use Footnotes in LaTeX Tables

2025-01-02

LaTeX \makeatletter and \makeatother and TeX Catcode

2025-01-02

Annotate Coordinate Axis When Plotting in MATLAB by LaTeX \raisebox Command

2024-12-17

Specify Typeface as Arial for the Whole Document in LaTeX

2024-11-12

Realize Word Wrap for a Long Link Text When Using Commands of LaTeX hyperref Package

2024-09-05

Align the Left Text Left and Right the Text Right in the Same Line in LaTeX

2024-09-04

LaTeX standalone Class

2024-08-12

LaTeX Colorful Box: \colorbox, \fcolorbox, and tcolorbox environment

2024-08-11

LaTeX TikZ Colorful Background Layer

2024-08-11

LaTeX Loop Statement: \foreach, \forloop, and \multido

2024-08-11

LaTeX TikZ Commands -| and |-

2024-08-10

Ditto Mark in LaTeX, Markdown file, and Webpage

2024-08-08

LaTeX Commands \overbrace and \underbrace

2024-08-07

Table and Matrix Examples Using LaTeX nicematrix Package

2024-08-07

Create LaTeX Bordered Matrix by \bordermatrix Macro and nicematrix Package

2024-08-07

LaTeX Q.E.D. Symbol

2024-08-06

An XeLaTeX Compilation Error: Undefined control sequence. \pdfglyphtounicode

2024-07-24

Wrap Text Around Figures in LaTeX

2024-07-24

LaTeX Resources

2024-07-17

Realize a LaTeX Pseudo-code Block Using LaTeX algorithm and algpseudocode Package

2024-06-02

Specify Link Color Using LaTeX hyperref Package

2024-06-02

Various LaTeX Document Classes — article, IEEEtran, and beamer

2024-06-01

Specify Page Background Color in LaTeX

2024-06-01

Specify Font Size in LaTeX

2024-05-31

“The quick brown fox jumps over the lazy dog.”

2024-05-31

Center Text Vertically in A Page in LaTeX Using \vspace* Command

2024-05-27

LaTeX blindtext Package: Generate Dummy Text (“Blind” Text)

2024-05-22

From LaTeX lipsum Package to Cicero’s de Finibus Bonorum et Malorum (On the ends of good and evil) and Cato Maior de Senectute (Cato the Elder on Old Age)

2024-05-11

LaTeX Math Modes: \textstyle, \displaystyle, \scriptstyle, and \scriptscriptstyle

2024-05-09

An Example of Annotating Equation in LaTeX Using Colored Box and TikZ Package

2024-05-04

Color the Table Cell in LaTeX Using colortbl Package

2024-05-01

Insert Tables in Jekyll Website

2024-04-26

TeX Primitive Command (Italic Correction) \/

2024-03-27

Chinese Font Size

2024-02-04

Customize Cross Reference Format in LaTeX Using cleveref Package

2023-11-28

Some Mathematical Symbols and Environments in LaTeX and MathJax

2023-10-30

Insert Tables and Set whose Style in LaTeX beamer

2023-10-21

Title Page and TOC (Table of Contents) Page in LaTeX beamer

2023-10-21

Insert Figures and Set whose Style in LaTeX beamer

2023-10-20

Change enumerate and itemize Style in LaTeX beamer

2023-10-19

Theorem Environments and Block Environments in LaTeX Beamer

2023-10-19

Convert PDF File to PNG Format using pdftoppm.exe

2023-10-18

Built-in Colors in LaTeX xcolor Package

2023-10-17

Setting Spell Check in TeXstudio

2023-10-15

Customize Figure Caption Style in LaTeX System

2023-10-11

Add Superscripts and Subscripts for Arrows in LaTeX Equation Environment

2023-10-05

LaTeX Multi-figure Layout

2023-10-03

The Example "Diagrams as Simple Graphs" from LaTeX TikZ Documentation

2023-09-24

Display the Background Grid while Drawing Graphics in LaTeX TikZ

2023-09-23

Make Annotations in LaTeX Documents — The soul package, changes package, easyReview package, and one user-defined method

2023-08-31

Colorize Text in Markdown Files and Web Pages

2023-04-20

Some Caveats for Creating a Figure from LaTeX TikZ Documentation

2022-11-21

Greek Alphabet in LaTeX and Markdown Files

2022-10-06

Mathematical Fonts in LaTeX

2022-10-06

Multi-line Equation Layout in Markdown Files: align and split Environments

2022-08-18

Mathematics (125)

MATLAB swarmchart and swarmchart3 — Swarm scatter chart

2025-11-02

A Warning of Using boxplot on tiledlayout in MATLAB; Comparison between boxchart and boxplot

2025-10-31

Karush–Kuhn–Tucker Conditions (KKT Conditions)

2025-04-26

Strong Duality and Slater’s Condition

2025-04-26

An Example of Manually Calculating Eigenvalues and Eigenvectors of the Square Matrix

2025-04-22

The Method of Lagrange Multipliers

2025-04-22

Weak Duality in Optimization

2025-04-22

Schur Complement

2025-04-21

Elementary Matrix, Elementary Operation, and Gaussian Elimination

2025-04-13

Convex Optimization Problem: “For a convex optimization problem, all locally optimal points are globally optima.”

2025-04-12

The $\alpha$-sublevel Set of Convex Function

2025-04-11

LaTeX Component-wise Inequality Symbols: $\preceq$ and $\succeq$ etc.

2025-04-11

Convex Set

2025-04-11

Jensen’s Inequality, Convex Function, Concave Function, and Non-convex Function

2025-04-10

Conditional Independence

2025-04-10

Matrix Calculus

2025-04-08

Cofactor, Matrix of Cofactors, Adjoint, and Determinant of A Matrix

2025-04-08

Hessian matrix

2024-12-17

The Map of Mathematics by Domain of Science

2024-11-24

2024-10-14

Takeaways from Python Crash Course: Python Matplotlib

2024-08-26

Visualize Drawdown Distribution of Several Main Stock Market Indexes in MATLAB: S&P 500, NASDAQ 100, and Dow Jones Industrial Average

2024-07-23

Mathematics Resources

2024-07-17

The Beauty of Euler’s Formula

2024-06-17

2024-06-11

Grigori Yakovlevich Perelman

2024-06-04

The Notion of First Principles in Philosophy, Mathematics, Physics, and Sciences

2024-06-03

Activation Functions of Neural Networks in MATLAB

2024-03-15

Animate Linear Transformation and Affine Transformation

2023-12-02

Monte Carlo Simulation to Estimate $\pi$

2023-11-18

The Notion of Runs in Wald-Wolfowitz Runs Test

2023-11-06

Gram-Schmidt Process

2023-11-01

Some Properties of Real Symmetric Matrix

2023-10-31

Some Properties of Eigenvalues and Eigenvectors

2023-10-31

The Eigenvalue Interval Pattern of Sample Covariance Matrix: take ovariancancer.mat data set

2023-10-27

Mardia’s test (A Multivariate Normality Test)

2023-10-23

Terminologies in Graph Theory

2023-10-20

Hypothesis Test: $t$-test and $z$-test

2023-10-13

MATLAB fitcdiscr Function

2023-10-10

Central Limit Theorem (CLT)

2023-10-10

Law of Large Numbers (LLN)

2023-10-10

Markov’s Inequality and Chebyshev’s Inequality

2023-10-05

Skew-Symmetric Matrix and its Properties

2023-05-09

Scalar Projection, Vector Projection, Scalar Rejection and Vector Rejection

2023-05-09

Analytic Function and Analytic Continuation

2023-05-08

Definition and Properties of Cross Product (Vector Product) and Outer Product (Tensor Product)

2023-05-08

Automatic Data Type Conversion and Integer Calculation Speeds in MATLAB

2023-05-05

Calculate $\pi(N)$ Based on MATLAB MEX Function of Improved Segmented Sieve of Eratosthenes

2023-05-04

Basic and Improved Segmented Sieve of Eratosthenes

2023-04-30

The Log Integral Function and its Relation to The PNT

2023-04-28

Trial Division and MATLAB isprime Function

2023-04-27

Sieve of Eratosthenes and MATLAB primes Function

2023-04-26

Wilson’s Theorem

2023-04-25

Sophie Germain Primes and Safe Primes

2023-04-25

The Prime Number Theorem (PNT) from Prime Obsession by Derbyshire

2023-04-25

Machine Representation of Decimal Integers

2023-04-24

Some Classical Series and Fourfold Division of Mathematics from Prime Obsession by Derbyshire

2023-04-22

The Eigenvalue Interval Pattern of Random Hermitian Matrix

2023-04-21

Hermitian Matrix

2023-04-20

Subtantial Derivative from Fundamentals of Aerodynamics by Anderson

2023-04-19

Entropy, Cross entropy, KL Divergence and Their Relation

2023-04-09

Saddle Surface and Saddle Point

2023-04-08

Momentum Equations of the Fluid from Fundamentals of Aerodynamics by Anderson

2023-03-31

Continuity Equations of the Fluid from Fundamentals of Aerodynamics by Anderson

2023-03-24

The Physical Meaning of Divergence of Velocity from Fundamentals of Aerodynamics by Anderson

2023-03-24

Three Different Models of the Fluid from Fundamentals of Aerodynamics by Anderson

2023-03-20

A Review of Vector Calculus from Fundamentals of Aerodynamics by Anderson

2023-03-20

Calculate Statistics in LabVIEW

2022-12-28

KL Divergence and its Relation to MLE

2022-12-03

Cubic Bezier Curve Fitting and Third Polynomial Curve Fitting

2022-11-24

The Chord Length Method (Chord-length Parameterization) from MTU

2022-11-22

The Processing Methods for Ill-conditioned SCM in MATLAB fitgimdist, mahal and mvnrnd Functions in Extremely Small-Sample Cases

2022-11-22

Discussions of Continuity and Parameterization in BREP From MTU

2022-11-21

Bernstein Polynomial and Bézier Curve

2022-11-19

The Limit of Precision

2022-11-18

The Gradient is Perpendicular to the Tangent of the Contour Line

2022-11-07

De-PCA? NO!

2022-11-02

From Sample Covariance Matrix(SCM) to Bessel’s Correction

2022-11-01

Fisher Information

2022-10-30

Neyman-Pearson Hypothesis Testing(Statistical Hypothesis Testing)

2022-10-25

Maximum Likelihood Estimation for Multivariate Normal Distribution

2022-10-25

MATLAB var, std, and cov Functions

2022-10-25

Conjugate Prior for Multivariate Normal Distribution

2022-10-24

Wishart Distribution, Inverse-Wishart Distribution, Normal-Inverse-Wishart Distribution

2022-10-22

Monty Hall Problem

2022-10-21

Solve Underdetermined System

2022-10-06

Median vs. Mathematic Expectation

2022-10-01

Discrete Probability Distributions (Binomial Distribution, Poisson Distribution, Hypergeometric Distribution)

2022-10-01

Exponential Distribution and Weibull Distribution

2022-09-30

What is Mathematical Statistics?

2022-09-29

"When a measure becomes a target, it cease to be a good measure."

2022-09-28

A Hypothesis Test Practice

2022-09-28

Point Estimation

2022-09-27

Statistic

2022-09-27

Summarise the Thoughts of Pearson and Fisher for Hypothesis Test

2022-09-27

Condition Monitoring and Prognostics based on Vibration Signals in MATLAB

2022-09-21

Interval Estimation: Pivot Method

2022-09-21

Contrast the Models Trained by Mixed Data Set and Only Generated Data Set

2022-09-14

Correct Data Leakage Problem

2022-09-13

Chi-square Distribution, Student’s t Distribution, and F Distribution

2022-09-13

Gaussian Mixture Model (GMM)

2022-09-12

Train an SVM Using Generated Data by MVN-RNG, and Test with Real Data

2022-09-10

Multivariate Normal Distribution and Mahalanobis Distance

2022-09-07

Solve Non-linear Equation and Equations System by Iterative Methods — Bisection Method, Fixed Point Iteration, Newton’s Method, Secant Method, Multivariate Newton’s Method, and Broyden’s Method

2022-09-04

Trade-off between Tractability and Validity

2022-08-12

Take a Little Think of Monte Carlo Simulation

2022-08-06

Murphy’s Law

2022-07-26

Floating Point Representation and Machine Representation of Decimal Digits (IEEE 754 Standards)

2022-07-23

Fundamental Theorem of Algebra

2022-07-21

Plot Circle Based on Parametric Equation

2022-07-19

Preliminary Exploration of Complex Variable Functions

2022-07-18

Vector Derivative

2022-07-14

2022-07-12

Determination of Solutions for Linear Equations

2022-07-10

Solve Overdetermined System

2022-07-10

View Least Square Method (LSM) from Perspectives of Curve Fitting, Parameter Estimation, and Geometry Meaning of Solving Over-determined Equations

2022-07-07

Least Square Method (LSM) with L2 Regularization and Maximum A Posteriori (MAP) Estimation

2022-07-07

Gamma Function and Beta Function

2022-07-07

The Geometric Meaning of Solving Linear System of Equations

2022-06-14

The Geometric Meaning of the Determinant of A Matrix

2022-06-13

Matrix and its Relation to Linear Transformation

2022-06-11

Geometric and Algebraic Definition of Dot Product (Inner Product)

2022-06-09

Lagrangian Interpolation Remainder: Truncation Error Estimation Formula for n-th Degrees Interpolation Polynomials

2022-02-14

Chebyshev Polynomials and Chebyshev Interpolation

2022-02-14

Machine Learning (79)

Jensen’s Inequality, Convex Function, Concave Function, and Non-convex Function

2025-04-10

📰 [Jan. 07, 2025] NVIDIA CEO Jensen Huang Keynote at CES 2025

2025-01-07

📰 [Dec. 21, 2024] Release of OpenAI o3 and o3-mini

2024-12-21

📰 [Dec. 17, 2024] NVIDIA Jetson Orin™ Nano Super

2024-12-18

📰 [Nov. 19, 2024] Coca-Cola Ad "The Holiday Magic is coming"

2024-11-25

Scaling Law in Machine Learning

2024-09-13

Convert 4D-Array Image (with RGBA Channels) to Normal 3D-Array Image

2024-07-29

Caption Images by A Pretrained Image-Captioning Model

2024-07-28

A Simple Example to Know about CycleGAN

2024-07-27

Make A Deep Learning Model Inference based on the Pretrained ResNet-101

2024-07-26

Available Pre-trained Deep Learning Models in torchvision.models Subpackage

2024-07-24

2024-07-23

Realize Word Embedding by PyTorch torch.nn.Embedding Function

2024-07-18

PyTorch Tensor’s requires_grad Attribute, detach and detach_ Method

2024-07-18

PyTorch torch.matmul (Matrix Multiplication) Function

2024-07-17

Machine Learning Resources

2024-07-17

Ideas about Weights in Deep Learning

2024-07-05

Terminologies and Methods in Object Detection

2024-05-23

The Metrics of Average Precision (AP) and Average Recall (AR) in Object Detection Tasks

2024-05-01

Smaller learning rate could prevent from loss value becoming NaN in a way when training GAN

2024-04-29

MATLAB montage Function

2024-04-29

2024-04-26

Analyze Network Performance using t-distributed Stochastic Neighbor Embedding (t-SNE) Technique in MATLAB

2024-04-03

Moravec’s Paradox in AI and Robotics

2024-04-01

Array Size of MATLAB dlarray

2024-03-25

Activation Functions of Neural Networks in MATLAB

2024-03-15

Construct and Train the Network with Multiple Outputs in MATLAB

2024-02-27

The Problem of Gradients Vanishing when Training an LSTM

2024-02-20

One-Hot Encoding and Decoding in MATLAB

2024-02-08

Resume Training Neural Network in MATLAB

2024-02-05

Terminologies and Methods in Large Language Models

2024-01-15

Calculate and Visualize Confusion Matrix in MATLAB: MATLAB confusionmat, confusionchart, confusion, and plotconfusion Functions

2023-11-07

Add White Gaussian Noise into Signals using MATLAB awgn Function

2023-09-15

Two Simple-but-Notable Details when Using MATLAB fitcnet to Train Neural Network

2023-09-04

A Simple GoogLeNet and ResNet for Solving MNIST Image Classification with PyTorch

2023-04-13

A Simple CNN for Solving MNIST Image Classification with PyTorch

2023-04-13

A Simple Fully-Connected DNN for Solving MNIST Image Classification with PyTorch

2023-04-11

A Case where Loss Value of MLP is Negative Caused by Wrong Labels

2023-04-10

A Simple MLP for Diabetes Dataset Binary Classification Problem with PyTorch (Load Datasets using PyTorch DataSet and DataLoader)

2023-04-10

A Simple Logistic Regression Model for Binary Classification Problem with PyTorch

2023-04-09

Entropy, Cross entropy, KL Divergence and Their Relation

2023-04-09

Saddle Surface and Saddle Point

2023-04-08

A Simple Linear Model with PyTorch

2023-04-04

A Simple Gradient Descend (GD) and A Stochastic Gradient Descend (SGD) to Select Optimum Weight of Linear Model

2023-04-04

A Simple Exhaustive Method for Selecting Optimum Weight of Linear Model

2023-04-03

A Brief Introduction to Deep Learning

2023-04-01

Learning Rate Settings while Using MATLAB trainNetwork Function

2023-03-23

Analysis for Image Classification Benchmark CIFAR-10 and CIFAR-100 Datasets

2023-03-22

Stop Training Neural Network while Using MATLAB trainNetwork Function

2023-03-21

2023-03-09

Physical System Modeling using LSTM Network in MATLAB Simulink

2023-01-06

Compare Deep Learning Networks Based on ROC Curves in MATLAB

2023-01-06

Receiver Operating Characteristic (ROC) Curve in MATLAB

2023-01-06

Sequence Classification Using LSTM and 1-D Convolutions in MATLAB

2022-12-10

KL Divergence and its Relation to MLE

2022-12-03

Contrast Training Error and Test Error (or Validation Error) of AI Models

2022-12-02

Generalization of the Artificial Neural Networks

2022-12-01

De-PCA? NO!

2022-11-02

An Unexpected Problem Happening in Conversion Between Categorical and Single or Double Data Types in MATLAB

2022-10-13

Multi-input and Multi-output Neural Network Structures in MATLAB

2022-10-12

A Small Custom Function, Testing the Output Size of Each Layer of Neural Network in MATLAB

2022-10-10

Generate Synthetic Signals using Conditional GAN (CGAN) in MATLAB

2022-10-09

Train Wassertein GAN with Gradient with Gradient Penalty (WGAN-GP) in MATLAB

2022-10-09

Train Conditional Generative Adversarial Network (CGAN) in MATLAB

2022-10-09

Train Generative Adversarial Network (GAN) in MATLAB

2022-10-09

Train Variational Autoencoder (VAE) to Generate Images in MATLAB

2022-10-03

Create Word Cloud in MATLAB

2022-10-02

Contrast Built-in predict Method and Custom Predict Process in MATLAB

2022-09-25

Partition Data by MATLAB cvpartition Function

2022-09-24

Condition Monitoring and Prognostics based on Vibration Signals in MATLAB

2022-09-21

Contrast the Models Trained by Mixed Data Set and Only Generated Data Set

2022-09-14

Correct Data Leakage Problem

2022-09-13

Gaussian Mixture Model (GMM)

2022-09-12

Train an SVM Using Generated Data by MVN-RNG, and Test with Real Data

2022-09-10

An Error Caused by Unstable Internet Connection when Installing Python Package: ERROR: THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS FILE.

2022-08-23

Incremental Learning in MATLAB

2022-07-15

MATLAB Deep Learning Toolbox Error: Invalid input data. Invalid number of spatial dimensions. Layer expects 0 but received 1.

2022-06-08

Multivariate Newton Iteration Method based on PyTorch (Vector to Vector Derivative)

2022-02-07

Python (76)

A Warning of Using boxplot on tiledlayout in MATLAB; Comparison between boxchart and boxplot

2025-10-31

Berkshire Hathaway’s Performance vs. S&P 500 and NASDAQ 100

2024-12-06

Plot A Grouped Bar Chart using Python Matplotlib

2024-12-06

Create Multiple Subplots using Python Matplotlib plt.subplots

2024-11-03

Create A Graph with Two/Multiple Y-axis using Python Matplotlib

2024-11-03

Specify Order of Layers and Legend Labels using Python Matplotlib

2024-11-03

Takeaways from Python Crash Course: Work with API in Python

2024-08-26

Takeaways from Python Crash Course: Python Plotly

2024-08-26

Takeaways from Python Crash Course: Python Matplotlib

2024-08-26

Takeaways from Python Crash Course: Python Unit Test and Test Case by unittest Module

2024-08-24

Takeaways from Python Crash Course: Read and Write Files, and Handle Exceptions in Python

2024-08-23

Takeaways from Python Crash Course: Python Class

2024-08-20

Takeaways from Python Crash Course: Python Function

2024-08-19

Takeaways from Python Crash Course: Python input Function and while Loop

2024-08-18

The Number of Newborns in China

2024-08-16

Takeaways from Python Crash Course: Python Dictionary

2024-08-15

Takeaways from Python Crash Course: Python if Statements

2024-08-15

Takeaways from Python Crash Course: Python Variable Types: string, integer, float, and constant

2024-08-15

Takeaways from Python Crash Course: Python List and Tuple

2024-08-13

Convert Jupyter Notebook File to HTML, Markdown, and Python Script File by jupyter nbconvert

2024-08-07

Fetch Series Data from FRED Sever in Python: take S&P 500 price index

2024-08-05

Python Built-in Functions locals() and globals()

2024-08-05

Explore Python Module, Class, and Function by help Function, __doc__ Attribute, and dir Function

2024-08-05

From Python Pandas Error ValueError: -1 is not in range to Two Kinds of Pandas Series Indexing Methods: label-based indexing (loc) and position-based indexing (iloc)

2024-08-01

Display Python Packages whose Name Includes Certain Text: PowerShell commands findstr, Select-String, and pipeline operator |

2024-07-31

Convert 4D-Array Image (with RGBA Channels) to Normal 3D-Array Image

2024-07-29

2024-07-28

Caption Images by A Pretrained Image-Captioning Model

2024-07-28

A Simple Example to Know about CycleGAN

2024-07-27

Make A Deep Learning Model Inference based on the Pretrained ResNet-101

2024-07-26

Ways of Visualizing PyTorch Neural Network Structure: with the help of torchsummary, torchinfo, netron, and tensorboardX packages respectively

2024-07-25

Available Pre-trained Deep Learning Models in torchvision.models Subpackage

2024-07-24

Render High Resolution Matplotlib Inline Figures in Jupyter Notebook

2024-07-23

Display Image in Jupyter Notebook by IPython.display.Image

2024-07-23

Time Python Script File by PowerShell Commands Measure-Command and Python cProfile Module

2024-07-23

Solve the Problem of Python Matplotlib Interactive Graphs not Available in Spyder IDE

2024-07-23

Numpy Array and PyTorch Tensor’s Attributes: shape, size, and ndim

2024-07-20

PyTorch torch.dot Function

2024-07-19

1D Array vs. Row Vector and Column Vector in Python

2024-07-19

Realize Word Embedding by PyTorch torch.nn.Embedding Function

2024-07-18

PyTorch Tensor’s requires_grad Attribute, detach and detach_ Method

2024-07-18

PyTorch torch.matmul (Matrix Multiplication) Function

2024-07-17

Python Resources

2024-07-17

Check for Python Packages Dependency by pipdeptree (including a Simple Practice with Graphviz)

2024-07-16

Generate and Install Required Python Packages: pip freeze > requirements.txt and pip install -r requirements.txt

2024-07-15

Install jupyter_contrib_nbextensions Package (a collection of extensions) for Python Jupyter Notebook

2024-07-15

Redirection Operators > and >> in Windows PowerShell

2024-07-11

The Way to Install Python Jupyter Notebook: the difference between pip install notebook (recommended) and pip install jupyter

2024-07-10

Two Ways to Check Python Package Version: by __version__ attribute and by pip show command

2024-07-09

Create Python Virtual Environment by Python venv

2024-07-09

Downgrade Package by Python pip

2024-07-08

Obtain the Path of Current Python Interpreter by sys.executable

2024-07-08

Specify Font Style in the Figures when Plotting by Python Matplotlib Package

2024-06-10

Customize Figure Style when Plotting by Python Matplotlib Package: matplotlibrc File and .mplstyle File

2024-06-05

THE ZEN OF PYTHON

2024-05-29

Export High Resolution Graphics in Python using Matplotlib pyplot.savefig Function

2024-05-25

Python conda list vs. pip list, and Python Module Precedence Order

2024-05-25

Update Python Package using Pip

2024-05-23

Get and Change Current Folder Path in Python

2024-05-23

Column- vs. Row-major Layout Array

2023-04-27

A Simple GoogLeNet and ResNet for Solving MNIST Image Classification with PyTorch

2023-04-13

A Simple CNN for Solving MNIST Image Classification with PyTorch

2023-04-13

A Simple Fully-Connected DNN for Solving MNIST Image Classification with PyTorch

2023-04-11

A Case where Loss Value of MLP is Negative Caused by Wrong Labels

2023-04-10

A Simple MLP for Diabetes Dataset Binary Classification Problem with PyTorch (Load Datasets using PyTorch DataSet and DataLoader)

2023-04-10

A Simple Logistic Regression Model for Binary Classification Problem with PyTorch

2023-04-09

A Simple Linear Model with PyTorch

2023-04-04

Install Python Packages from GitHub

2023-04-04

A Simple Gradient Descend (GD) and A Stochastic Gradient Descend (SGD) to Select Optimum Weight of Linear Model

2023-04-04

A Simple Exhaustive Method for Selecting Optimum Weight of Linear Model

2023-04-03

Create and Change Python Environment in Spyder IDE (through Python Conda)

2023-04-02

Common Conda Commands

2023-04-02

Python Packages Installation Tools: Conda vs. Pip

2023-04-02

Hello, Python manim!

2022-07-20

2022-07-12

Multivariate Newton Iteration Method based on PyTorch (Vector to Vector Derivative)

2022-02-07

Entertainment (75)

🎶 Yao Lan Yao

2025-11-14

🎶 Di Yi Ci

2025-11-13

🎶 Dou Xuan C

2025-11-07

🎶 Tian Liang Qian Chu Fa

2025-11-05

💃 AS IF IT’S YOUR LAST

2025-10-31

🕺BANG BANG BANG 💥💥💥

2025-10-31

🕺💃 Por una Cabeza

2025-10-31

🕺💃 False Confidence

2025-10-31

🎶 Xin Sui Mo Zha Te

2025-10-22

🎶 Jiao Gei Ta Jiu Hao

2025-10-22

🎶 Do What I Want

2025-10-22

🎶 NOKIA

2025-10-22

🎶 Yun Yan Cheng Yu

2025-10-18

🎶 Shi Guang, Yi Ru Ji Wang

2025-10-18

🎶 Love is Love

2025-06-03

🎶 Live

2025-05-01

🎶 A Sigh of Lightheartedness & Has Always Been Quiet

2025-03-05

🎶 Blowin’ in the Wind

2025-02-05

🎞️ "We live alone, we die alone …"

2025-02-04

🎶 Miss You 3000

2025-02-03

🎶 What the World Has Given Me 🧨🎇

2025-01-29

🎶 Afterwards

2025-01-17

🎶 A Dandelion’s Promise

2025-01-10

🎞️ "Get busy living, or get busy dying."

2025-01-08

🎶 "A beautiful sky may not come after the rain. A clear sky may not come with a rainbow."

2025-01-05

🎶 Sunny Day

2024-12-30

🎶 The Brightest Star in the Sky

2024-12-20

🎶 Act Like Nothing’s Wrong

2024-12-20

🎶 If You & Last Dance

2024-12-20

🎶 Xiao Yu

2024-12-08

🎶 It’s Hard

2024-12-08

🎶 It’s All Good

2024-12-08

🎶 Used Guitar

2024-12-08

🎶 HOME SWEET HOME

2024-11-28

🎶 APT.

2024-11-27

🎶 Mockingbird 🐦

2024-11-25

🎶 Something I Don’t Need 🌊🏖️🌴🌞

2024-11-24

🎞️ "What if you had a second chance with the one that got away?"

2024-11-13

🎶 Lonely Dance

2024-09-07

🎶 I Have to Show Off

2024-09-07

🎶 Against the Light ☀️

2024-09-07

🎶 It Gets Lonelier As You Grow Up

2024-09-07

🎶 Hello, Tomorrow!

2024-09-07

🎶 Queen’s Road East

2024-09-07

🎞️ Good Will Hunting

2024-07-30

🎶 "Everything you touch surely dies."

2024-07-25

🎶 A Passerby 🚶‍♂️

2024-07-23

🎶 Finding Differences 😎

2024-07-20

🎶 "I haven’t yet boiled the red beans🫘 for you. Till it lingers like the wound in me."

2024-07-15

📷🎶 Bye, XJTU iHarbour!

2024-06-24

🎶 Nothing’s Gonna Stop Us Now 💃🕺

2024-06-17

🎶 Let Her Go

2024-06-12

🎶 A Laugh on the Blue Sea

2024-05-25

🎶 "I couldn’t bear to see you turn your back on me."

2024-05-20

🎶 Never Say Goodbye

2024-05-20

🎶 "I’ve gone through so many tests, only to find out myself leaving home after this."

2024-05-20

🎶 "If I had known that day was the last time I would see you, I would have never wasted time talking about trivia with you."

2024-05-20

🎶 Finding You is My Greatest Achievement

2024-05-01

🎶 "I can’t plead with the world to stop turning. I know avoidance isn’t useful at all"

2024-04-27

🎞️ "You’re never wrong to the right thing."

2024-04-23

🎶 Try

2024-04-18

🎶 Go Somewhere Windy 🍃

2024-04-17

🎶 Wonderful Tonight

2024-04-06

🎶 Fly with Dreams

2024-04-03

🎶 Rolling in the Deep

2024-04-02

🐶 Dogs

2024-02-11

🎶 "Please get closer."

2022-11-24

🎶 Over Economy Class

2022-10-31

🎶 "Felt like glass was always half full."

2022-08-29

🎶 "It’s my honor to be your friend."

2022-08-24

🎶 Actually There’s Nothing

2022-08-05

🎶 "The purpose of travel is going home."

2022-07-31

🎶 Those Flowers

2022-07-28

🎶 Untitled 🌃

2022-07-20

🎶 "A few frames of the past flash in the evening breeze" 🍃🍂🍃🍂

2022-07-13

Web Development (69)

Input Timestamp with UTC Offset Using AutoHotkey

2025-11-02

Autoplay YouTube Videos (but Muted) When Using Embed Code to Share

2025-11-01

Center Images in the README.md File of A GitHub Repository

2025-07-09

Liquid Tag {% raw %}{% endraw %} in Jekyll

2025-06-14

Hello from My New Laptop "Lenovo Legion Y9000P IAX10 2025"! 🤩

2025-06-14

Add A Copy Button for the Code Block in the Jekyll Website

2025-06-11

Accelerate Deployment of Jekyll Website

2025-01-17

CSS width Property

2025-01-06

Sort Post Tags in Alphabetical Order in Jekyll Website

2025-01-03

Prevent Jekyll’s MathJax Engine from Identifying Dollar Symbol as a Delimiter of an Inline Equation

2024-12-09

GitHub Widgets

2024-12-06

HTML <time> Tag

2024-11-25

Date and Time Formats in Jekyll

2024-11-25

HTML <article> Tag

2024-09-27

HTML <aside> Tag

2024-09-27

Font Family Definition in HTML and CSS(/SCSS)

2024-09-26

CSS Selectors

2024-09-12

Use CSS in HTML Files

2024-09-11

Link a PDF File in a Website

2024-08-28

Takeaways from Python Crash Course: Work with API in Python

2024-08-26

Takeaways from Python Crash Course: Python Plotly

2024-08-26

Ditto Mark in LaTeX, Markdown file, and Webpage

2024-08-08

Convert Jupyter Notebook File to HTML, Markdown, and Python Script File by jupyter nbconvert

2024-08-07

Disable Webpage Zooming by JavaScript

2024-08-03

Host Font Awesome by CDN or by Local Files

2024-07-31

Render High Resolution Matplotlib Inline Figures in Jupyter Notebook

2024-07-23

Specify Local Storage Directory of Images in Markdown Files when Markdown Editing with VS Code

2024-07-22

HTML <abbr> Tag

2024-07-20

Web Development Resources

2024-07-17

Make Diagrams by Mermaid (A Diagramming and Charting Tool) in Typora and Jekyll Website

2024-07-16

Realize Opening a New Tab when Clicking a Link in Webpage by JavaScript

2024-07-13

Display Elements in site.categories and site.tags of My Jekyll Blog Website

2024-07-13

Fix Website Masthead and Make Relevant Settings to Adapt to this Change

2024-07-12

Highlight Text in HTML Webpages by <mark> Tag

2024-07-08

Wrap Text Around Figures in Webpages

2024-07-04

Spell Hyphen (-), En Dash (–), vs. Em Dash (—)

2024-07-03

Embed an X (Twitter) Post in Webpage

2024-06-28

Get GitHub Repository Information through REST API (in JSON Format)

2024-06-28

HTML <details> Tag

2024-06-26

Add a Scroll Bar for an HTML <div> Element

2024-06-26

CSS Buttons: CSS Button Classes in Jekyll Theme Minimal Mistakes and Bootstrap Framework (including one way of installing Bootstrap to Jekyll website)

2024-06-20

Test Webpage Layout splash of Jekyll Theme Minimal Mistakes

2024-05-31

Insert Tables in Jekyll Website

2024-04-26

Align the Text in Markdown Files and Web Pages

2024-04-21

Specify Typeface and Font Size in Markdown Files and Web Pages by HTML <font> Tag

2024-04-21

Static Blog Websites

2024-02-22

Change "Update Date" Format in Jekyll Theme Minimal Mistakes

2024-02-17

An Error when Deploying Website based on GitHub-Pages Jekyll Theme

2024-02-12

The Source File Structure of Jekyll Theme Minimal Mistakes

2023-10-25

Style a New Skin of Jekyll Theme Minimal Mistakes

2023-10-24

Modify Permalink Structure of Jekyll Theme Minimal Mistakes

2023-10-21

Cross Reference in Markdown Files and Web Pages

2023-10-10

Redirect Figure Links in Markdown Files using MATLAB

2023-10-02

Colorize Text in Markdown Files and Web Pages

2023-04-20

Install Jekyll on Windows

2023-01-03

MathJax overline versus bar

2022-10-25

Realize Multiple Figure Layout in Web Pages using HTML <figure> Element

2022-08-24

Test Working with Collections of Jekyll Theme Minimal Mistakes

2022-08-21

Test Customised Sidebar of Jekyll Theme Minimal Mistakes

2022-08-18

Test Sidebar with Navigation List of Jekyll Theme Minimal Mistakes

2022-08-18

Test Header Overlay with Background Fill of Jekyll Theme Minimal Mistakes

2022-08-13

Test Header Image Overlay with Custom Tagline of Jekyll Theme Minimal Mistakes

2022-08-13

Test Gallery of Jekyll Theme Minimal Mistakes

2022-08-12

Test Header Image (Locally) of Jekyll Theme Minimal Mistakes

2022-08-12

Test Header Image (External Links) of Jekyll Theme Minimal Mistakes

2022-08-12

Test notice Division of Jekyll Theme Minimal Mistakes

2022-08-12

Test External Video Links and Header Video of Jekyll Theme Minimal Mistakes

2022-08-12

Install the Jekyll Theme Minimal Mistakes in GitHub Pages

2022-07-17

Hello, world!

2022-01-01

Quotes (51)

"There are no coincidences, only appointments."

2025-11-16

"Normality is a paved road …"

2025-05-16

"I condemn equally those who choose to praise man …"

2025-05-15

"But you knew there would always be the spring …"

2025-05-15

“Two things fill the mind with ever new and increasing admiration and awe …”

2025-03-03

“Life swings like a pendulum …”

2025-02-08

🎞️ "We live alone, we die alone …"

2025-02-04

"Not first, but best."

2025-01-17

🎞️ "Get busy living, or get busy dying."

2025-01-08

“Tragedies can be resolved in one of two ways: there is the Shakespearean resolution and there is the Chekhovian one.”

2024-12-24

"It was the best of times, it was the worst of times."

2024-12-18

"We pass through the present with our eyes blindfolded."

2024-12-17

"As I Began to Love Myself"

2024-12-04

Stephen Hawking Talked about Technologies and Science

2024-11-26

"The poorest man may in his cottage bid defiance to all the forces of the Crown."

2024-11-26

"What experience and history teach is this …"

2024-11-24

"Freedom is never more than one generation away from extinction."

2024-11-20

"Justice delayed is justice denied."

2024-11-17

"No Man Is an Island"

2024-11-17

"In the end, we will remember not the words of our enemies, but the silence of our friends."

2024-11-17

Yi Rao’s Speech at 2016 Peking University Commencement: Be someone you respect

2024-11-16

🎞️ "What if you had a second chance with the one that got away?"

2024-11-13

Steve Jobs Talked about Failure

2024-11-03

Steve Jobs Talked about Secrets of Life

2024-11-03

2024-10-14

"Liberty and Love…"

2024-10-13

Alfred Hitchcock Talked about "Suspense" vs. "Surprise"

2024-09-29

Charlie Munger Quotes

2024-08-13

Warren Buffett Quotes

2024-08-13

Takeaways from Reminiscences of A Stock Operator: to Jesse Lauriston Livermore

2024-07-30

🎞️ Good Will Hunting

2024-07-30

"God made solids, but surfaces were the work of the devil."

2024-07-24

"I wish you bad luck again from time to time" from Chief Justice of the United States John Roberts in 2017 Cardigan Mountain School Commencement Speech

2024-07-23

Re-know My “Saddle”: HHKB Professional Hybrid Type-S Keyboard

2024-07-08

One Role of Time

2024-07-03

Transcript of Principles for Dealing with the Changing World Order by Ray Dalio

2024-06-30

Transcript of How The Economic Machine Works by Ray Dalio

2024-06-28

Friedrich A. Hayek Quotes

2024-06-27

"For reasons I have never understood, people like to hear that the world is going to hell …"

2024-06-14

"Never treat humanity merely as a means."

2024-06-05

Walk or Listen Musics

2024-06-02

🎶 A Laugh on the Blue Sea

2024-05-25

Steve Jobs’ Speech in 2005 Stanford Commencement

2024-05-20

2024-05-11

🎞️ "You’re never wrong to the right thing."

2024-04-23

"The crisis takes a much longer time coming than you think, and then it happens much faster than you would have thought."

2024-04-07

"You that seek what life is in death, Now find it air that once was breath."

2024-02-04

"If, by some chance, one of us tried to unburden himself or to say something about his feelings, the reply he got, whatever it might be, usually wounded him."

2024-02-03

Romantic Acknowledgements

2023-11-27

"When a measure becomes a target, it cease to be a good measure."

2022-09-28

🎶 "The purpose of travel is going home."

2022-07-31

Design (33)

Compare PDF and JPG Figures Inserted in LaTeX Document — The former format is preferred

2025-11-08

"Life After Death by Powerpoint" by Don McMillan

2025-11-08

Hello, Metafont!

2025-01-17

LaTeX \parskip and parskip Package

2025-01-16

LaTeX \leftskip and \rightskip (including a simple introduction to LaTeX glue, or, rubber length)

2025-01-16

Use Commands to Get Font Information in LaTeX

2025-01-12

Specify Font Typeface in LaTeX

2025-01-12

Specify Font Family, Font Shape, and Font Series in LaTeX

2025-01-12

Logos

2024-12-07

Change Color Theme in Microsoft Word

2024-11-12

A Version of Lorem Ipsum

2024-11-12

Font Family Definition in HTML and CSS(/SCSS)

2024-09-26

Design Resources

2024-09-06

Apple WWDC 2013 Intro Video "Intention"

2024-08-04

Paris 2024 Olympic Pictograms

2024-07-29

Science Drawing Resources

2024-07-17

Make Diagrams by Mermaid (A Diagramming and Charting Tool) in Typora and Jekyll Website

2024-07-16

Customize Figure Style when Plotting by Python Matplotlib Package: matplotlibrc File and .mplstyle File

2024-06-05

Various LaTeX Document Classes — article, IEEEtran, and beamer

2024-06-01

Specify Font Size in LaTeX

2024-05-31

“The quick brown fox jumps over the lazy dog.”

2024-05-31

LaTeX blindtext Package: Generate Dummy Text (“Blind” Text)

2024-05-22

From LaTeX lipsum Package to Cicero’s de Finibus Bonorum et Malorum (On the ends of good and evil) and Cato Maior de Senectute (Cato the Elder on Old Age)

2024-05-11

The arXiv Manuscripts that Provide Adobe Illustrator Source Files of their Delicate Illustrations

2024-05-08

Montage and Long Take

2024-04-30

Chinese Font Size

2024-02-04

Built-in Colors in LaTeX xcolor Package

2023-10-17

An Example about How to Avoid “Chartjunk” while Plotting Figures

2023-09-17

Color Analysis for Image and Video

2023-04-11

Color Palettes in R Package ggsci

2023-01-10

Color Spaces in MATLAB

2023-01-03

Some Caveats for Creating a Figure from LaTeX TikZ Documentation

2022-11-21

A Way to Generate A Colormap in MATLAB

2022-11-19

Philosophy (32)

"There are no coincidences, only appointments."

2025-11-16

📰 [Nov. 10, 2025] Thanksgiving Message from Warren Buffett

2025-11-11

“Two things fill the mind with ever new and increasing admiration and awe …”

2025-03-03

“Life swings like a pendulum …”

2025-02-08

“Tragedies can be resolved in one of two ways: there is the Shakespearean resolution and there is the Chekhovian one.”

2024-12-24

Alienation in the Modern Society

2024-12-19

The Sword of Damocles

2024-12-18

Special Letters from Warren Buffett and Charlie Munger

2024-11-29

📰 [Nov. 25, 2024] A Letter from Warren Buffett

2024-11-27

Stephen Hawking Talked about Technologies and Science

2024-11-26

Apple WWDC 2013 Intro Video "Intention"

2024-08-04

"God made solids, but surfaces were the work of the devil."

2024-07-24

"If, by some chance, one of us tried to unburden himself or to say something about his feelings, the reply he got, whatever it might be, usually wounded him."

2024-07-23

Philosophy and Literatures Resources

2024-07-17

Re-know My “Saddle”: HHKB Professional Hybrid Type-S Keyboard

2024-07-08

One Role of Time

2024-07-03

Friedrich A. Hayek Quotes

2024-06-27

"Never treat humanity merely as a means."

2024-06-05

Grigori Yakovlevich Perelman

2024-06-04

The Notion of First Principles in Philosophy, Mathematics, Physics, and Sciences

2024-06-03

THE ZEN OF PYTHON

2024-05-29

THE SLOW SCIENCE MANIFESTO

2024-05-13

From LaTeX lipsum Package to Cicero’s de Finibus Bonorum et Malorum (On the ends of good and evil) and Cato Maior de Senectute (Cato the Elder on Old Age)

2024-05-11

Great Man Theory vs. People’s History

2024-05-05

"The crisis takes a much longer time coming than you think, and then it happens much faster than you would have thought."

2024-04-07

Moravec’s Paradox in AI and Robotics

2024-04-01

"You that seek what life is in death, Now find it air that once was breath."

2024-02-04

2024-02-03

Romantic Acknowledgements

2023-11-27

Some Caveats for Creating a Figure from LaTeX TikZ Documentation

2022-11-21

"When a measure becomes a target, it cease to be a good measure."

2022-09-28

🎶 "The purpose of travel is going home."

2022-07-31

Collections (32)

Economic and Financial Data and Indicators

2024-12-25

Logos

2024-12-07

Science Resources

2024-11-24

The Map of Mathematics by Domain of Science

2024-11-24

Zero-sum Game and Non-zero-sum Game (Positive-sum Game and Negative-sum Game)

2024-11-17

Design Resources

2024-09-06

Apple WWDC 2013 Intro Video "Intention"

2024-08-04

Paris 2024 Olympic Pictograms

2024-07-29

Science Drawing Resources

2024-07-17

Physics Resources

2024-07-17

Electrical Engineering Resources

2024-07-17

C Resources

2024-07-17

Computer Science Resources

2024-07-17

Web Development Resources

2024-07-17

Philosophy and Literatures Resources

2024-07-17

Psychology Resources

2024-07-17

Mathematics Resources

2024-07-17

Python Resources

2024-07-17

MATLAB Resources

2024-07-17

LaTeX Resources

2024-07-17

Machine Learning Resources

2024-07-17

Economics and Finance Resources

2024-07-16

Theories in Economic and Finance

2024-05-30

Terminologies and Methods in Object Detection

2024-05-23

The arXiv Manuscripts that Provide Adobe Illustrator Source Files of their Delicate Illustrations

2024-05-08

Theories in Psychology

2024-03-24

Static Blog Websites

2024-02-22

Softwares and Web Tools

2024-02-18

Terminologies and Methods in Large Language Models

2024-01-15

Romantic Acknowledgements

2023-11-27

Terminologies in Graph Theory

2023-10-20

English Learning Resources

2023-10-01

Economics & Finance (27)

📰 [Nov. 10, 2025] Thanksgiving Message from Warren Buffett

2025-11-11

📰 [May 03, 2025] 2025 Berkshire Hathaway Annual Shareholder Meeting

2025-05-03

"Not first, but best."

2025-01-17

Economic and Financial Data and Indicators

2024-12-25

A Basic Understanding of Assets

2024-12-14

Treasury Securities and Inverted Yield Curve

2024-12-07

Berkshire Hathaway’s Performance vs. S&P 500 and NASDAQ 100

2024-12-06

Special Letters from Warren Buffett and Charlie Munger

2024-11-29

Zero-sum Game and Non-zero-sum Game (Positive-sum Game and Negative-sum Game)

2024-11-17

📰 [Sept. 18, 2024] Fed Cut Interest Rates by 50 Basis Points

2024-09-18

Charlie Munger Quotes

2024-08-13

Warren Buffett Quotes

2024-08-13

Fetch Series Data from FRED Sever in Python: take S&P 500 price index

2024-08-05

Takeaways from Reminiscences of A Stock Operator: to Jesse Lauriston Livermore

2024-07-30

📰 [July 29, 2024] The First Day of Displaying SSE Composite Total Return Index Real-Time

2024-07-29

Economics and Finance Resources

2024-07-16

Transcript of Principles for Dealing with the Changing World Order by Ray Dalio

2024-06-30

Transcript of How The Economic Machine Works by Ray Dalio

2024-06-28

Friedrich A. Hayek Quotes

2024-06-27

Ideas about Time Range

2024-06-19

"For reasons I have never understood, people like to hear that the world is going to hell …"

2024-06-14

Visualize Drawdown Distribution of Several Main Stock Market Indexes in MATLAB: S&P 500, NASDAQ 100, and Dow Jones Industrial Average

2024-06-11

Theories in Economic and Finance

2024-05-30

2024-04-26

🎞️ "You’re never wrong to the right thing."

2024-04-23

Fetch Series Data from Federal Reserve Economic Data (FRED) Sever in MATLAB: take S&P 500 price index

2024-04-17

"The crisis takes a much longer time coming than you think, and then it happens much faster than you would have thought."

2024-04-07

Uncertainty (25)

Zero-sum Game and Non-zero-sum Game (Positive-sum Game and Negative-sum Game)

2024-11-17

Ideas about Conspiracy Theory

2024-10-28

2024-10-14

Takeaways from Python Crash Course: Python Matplotlib

2024-08-26

2024-07-23

One Role of Time

2024-07-03

Transcript of Principles for Dealing with the Changing World Order by Ray Dalio

2024-06-30

Transcript of How The Economic Machine Works by Ray Dalio

2024-06-28

Theories in Economic and Finance

2024-05-30

Ideas about Change

2024-04-21

Monte Carlo Simulation to Estimate $\pi$

2023-11-18

The Eigenvalue Interval Pattern of Sample Covariance Matrix: take ovariancancer.mat data set

2023-10-27

Mardia’s test (A Multivariate Normality Test)

2023-10-23

The Eigenvalue Interval Pattern of Random Hermitian Matrix

2023-04-21

Entropy, Cross entropy, KL Divergence and Their Relation

2023-04-09

2023-03-09

Ideas about Threshold

2022-09-10

2022-09-04

Ideas about Stability and Oscillation

2022-08-27

2022-08-23

Nonlinear Oscillation Circuit: Van del Pol Circuit

2022-08-20

Chaotic Circuit: Chua’s Circuit

2022-08-19

State Function and Phase Portrait of Second-order Linear RLC Circuits

2022-08-19

Trade-off between Tractability and Validity

2022-08-12

Take a Little Think of Monte Carlo Simulation

2022-08-06

Signals and Systems (24)

Add White Gaussian Noise into Signals using MATLAB awgn Function

2023-09-15

A Slight but Likely-Crucial Problem about MATLAB Simulink derivative Block

2023-08-29

Simulate Double Mass-Spring-Damper System in MATLAB

2023-06-20

Entropy, Cross entropy, KL Divergence and Their Relation

2023-04-09

Fourier Transform of Periodic Signals

2023-01-30

Fourier Transform

2023-01-28

Spectrum of Periodic Signals

2023-01-26

Fourier Series of Periodic Signals

2023-01-25

Orthogonal Decomposition of Signals

2023-01-23

Median Filtering in LabVIEW

2022-12-30

An Example of Extracting Frequency-domain and Time-domain Statistical Features

2022-10-24

MATLAB filloutliers function

2022-09-26

MATLAB movmean and movmedian Function

2022-09-26

Condition Monitoring and Prognostics based on Vibration Signals in MATLAB

2022-09-21

2022-09-04

Build a Solenoid with Magnetic Blocks Using MATLAB Simulink

2022-08-28

Build a Solenoid Parameterized with FEM Data using MATLAB Simulink

2022-08-28

Ideas about Stability and Oscillation

2022-08-27

2022-08-25

The Zero-State Response of a Linear Time Invariant System Equals to the Convolution of the Input Signal and the Unit-pulse Response

2022-08-23

Nonlinear Oscillation Circuit: Van del Pol Circuit

2022-08-20

Chaotic Circuit: Chua’s Circuit

2022-08-19

State Function and Phase Portrait of Second-order Linear RLC Circuits

2022-08-19

2022-02-11

English (20)

Common Types of Figure of Speech (in English)

2024-09-29

Takeaways from Understand Native English Speakers with this Advanced Listening Lesson by English Speaking Success

2024-09-16

English Words Related to Coffee

2024-09-16

Various Replies to "Thank You" in English

2024-09-16

English Acronyms

2024-09-15

English Modal Verbs

2024-07-17

Subjunctive Mood in English

2024-07-04

Spell Hyphen (-), En Dash (–), vs. Em Dash (—)

2024-07-03

English Phrasal Verbs

2024-07-03

Latin Words, French Words, and Spanish Words

2024-06-28

English Adjectives and Adverbs

2024-06-03

English Verbs

2024-06-03

English Prepositional Phrases

2024-06-03

English Binomials

2024-05-27

English Time Words

2024-05-26

English Idioms and Phrases

2024-05-26

English Learning Resources

2023-10-01

Participial Phrase, Dangling Participle, and Dangling Modifier

2023-01-16

English Clauses

2023-01-15

"Afterward" vs. "Afterwards", and "Toward" vs. "Towards"

2023-01-14

Physics (16)

Physics Resources

2024-07-17

The Notion of First Principles in Philosophy, Mathematics, Physics, and Sciences

2024-06-03

Use MATLAB Script to Construct Solenoid Model in Ansys Electronics Desktop

2023-08-26

Subtantial Derivative from Fundamentals of Aerodynamics by Anderson

2023-04-19

Momentum Equations of the Fluid from Fundamentals of Aerodynamics by Anderson

2023-03-31

Continuity Equations of the Fluid from Fundamentals of Aerodynamics by Anderson

2023-03-24

The Physical Meaning of Divergence of Velocity from Fundamentals of Aerodynamics by Anderson

2023-03-24

Three Different Models of the Fluid from Fundamentals of Aerodynamics by Anderson

2023-03-20

A Review of Vector Calculus from Fundamentals of Aerodynamics by Anderson

2023-03-20

2023-03-09

Build a Solenoid with Magnetic Blocks Using MATLAB Simulink

2022-08-28

Build a Solenoid Parameterized with FEM Data using MATLAB Simulink

2022-08-28

2022-08-25

B Filed, H Filed, and M Filed

2022-08-24

Lorentz force

2022-08-21

Biot–Savart law: an equation describing the magnetic field generated by a constant electric current

2022-08-21

Windows (16)

Input Timestamp with UTC Offset Using AutoHotkey

2025-11-02

A Blue Scree Windows Error Because of Old Network Driver — NETIO!StreamInvokeCalloutAndNormalizeAction+0x5c

2025-08-07

Shut Down Windows Computer after Running the Script in MATLAB — system("shutdown -s")

2025-07-16

Hello from My New Laptop "Lenovo Legion Y9000P IAX10 2025"! 🤩

2025-06-14

Delete All Commit History of A Certain GitHub Repository

2025-01-15

The Problem of PicGo Log File Becoming Too Huge

2025-01-05

Check Out IP Address in Windows

2024-11-20

Display Python Packages whose Name Includes Certain Text: PowerShell commands findstr, Select-String, and pipeline operator |

2024-07-31

Time Python Script File by PowerShell Commands Measure-Command and Python cProfile Module

2024-07-23

Hello, PowerShell!

2024-07-15

Redirection Operators > and >> in Windows PowerShell

2024-07-11

A VBScript to Lock Windows Computer

2024-03-26

The Source File Structure of Jekyll Theme Minimal Mistakes

2023-10-25

Close the Program Occupying Specific Port in Windows System

2023-07-25

A Connection Error when Using MATLAB Instrument Control Toolbox

2023-02-26

Batch Modify Files and Folders Name in MATLAB

2022-10-06

Electrical Engineering (15)

Some Common Circuit Component Diagrams Provided by the LaTeX CircuiTikZ Package

2025-06-14

LaTeX CircuiTikz Examples (II)

2025-06-01

LaTeX CircuiTikz Examples (I)

2025-06-01

📰 [April. 28, 2025] Power Cuts in Spain and Portugal

2025-04-29

Electrostatic Discharge of DUNU Kima Classic Wired Headphones

2024-11-17

FLUKE Digital Multimeters 18B+ Users Manual

2024-11-16

"God made solids, but surfaces were the work of the devil."

2024-07-24

Electrical Engineering Resources

2024-07-17

The Notion of First Principles in Philosophy, Mathematics, Physics, and Sciences

2024-06-03

2023-03-09

Takeaways from Auxiliary Voltage Tests for Circuit Breakers by Megger Co.Ltd

2023-02-07

Takeaways from Travel Analysis Guide for Circuit Breakers by Megger Co.Ltd

2023-02-06

Build a Solenoid with Magnetic Blocks Using MATLAB Simulink

2022-08-28

Build a Solenoid Parameterized with FEM Data using MATLAB Simulink

2022-08-28

2022-08-25

Hardware (15)

MATLAB bench Function — Execute several benchmarking tasks to test a computer’s performance

2025-08-04

Hello from My New Laptop "Lenovo Legion Y9000P IAX10 2025"! 🤩

2025-06-14

Electrostatic Discharge of DUNU Kima Classic Wired Headphones

2024-11-17

FLUKE Digital Multimeters 18B+ Users Manual

2024-11-16

Re-know My “Saddle”: HHKB Professional Hybrid Type-S Keyboard

2024-07-08

Hello, PCB!

2023-06-20

Install ESP32 Boards in Arduino IDE

2023-06-12

An Arduino Sample Project Based on LED and Button

2023-01-25

Connect Arduino and Measure Temperature using MATLAB

2023-01-24

Correction and Supplement for Blog “An Arduino Sample Project Based on Temperature Sensor”

2023-01-24

Arduino true and HIGH Constants

2023-01-14

Introduction to Grove Base Shield and Grove Cable (Arduino Kits)

2023-01-13

An Arduino Sample Project Based on Liquid Crystal Display (LCD)

2023-01-12

An Arduino Sample Project Based on Temperature Sensor

2023-01-11

An Arduino Sample Project Based on Vibration Sensor

2023-01-10

News (14)

📰 [Nov. 10, 2025] Thanksgiving Message from Warren Buffett

2025-11-11

📰 [May 03, 2025] 2025 Berkshire Hathaway Annual Shareholder Meeting

2025-05-03

📰 [April. 28, 2025] Power Cuts in Spain and Portugal

2025-04-29

📰 [Jan. 07, 2025] NVIDIA CEO Jensen Huang Keynote at CES 2025

2025-01-07

📰 [Dec. 21, 2024] Release of OpenAI o3 and o3-mini

2024-12-21

📰 [Dec. 17, 2024] NVIDIA Jetson Orin™ Nano Super

2024-12-18

📰 [Dec. 12, 2024] Science’s 2024 Breakthrough of the Year

2024-12-13

📰 [Nov. 25, 2024] A Letter from Warren Buffett

2024-11-27

📰 [Nov. 19, 2024] Coca-Cola Ad "The Holiday Magic is coming"

2024-11-25

📰 [Nov. 19, 2024] SpaceX Starship 6th Flight Test

2024-11-20

📰 [Oct. 13, 2024] SpaceX Starship 5th Flight Test

2024-10-13

📰 [Oct. 11, 2024] Tesla "We, Robot"

2024-10-11

📰 [Sept. 18, 2024] Fed Cut Interest Rates by 50 Basis Points

2024-09-18

📰 [July 29, 2024] The First Day of Displaying SSE Composite Total Return Index Real-Time

2024-07-29

Ideas (13)

A Basic Understanding of Assets

2024-12-14

Zero-sum Game and Non-zero-sum Game (Positive-sum Game and Negative-sum Game)

2024-11-17

Ideas about Conspiracy Theory

2024-10-28

Ideas about Weights in Deep Learning

2024-07-05

One Role of Time

2024-07-03

Ideas about Time Range

2024-06-19

The Beauty of Euler’s Formula

2024-06-17

2024-04-26

Ideas about Change

2024-04-21

2023-03-09

Ideas about Threshold

2022-09-10

Ideas about Stability and Oscillation

2022-08-27

Take a Little Think of Monte Carlo Simulation

2022-08-06

Business (13)

📰 [Nov. 10, 2025] Thanksgiving Message from Warren Buffett

2025-11-11

📰 [May 03, 2025] 2025 Berkshire Hathaway Annual Shareholder Meeting

2025-05-03

"Not first, but best."

2025-01-17

A Basic Understanding of Assets

2024-12-14

Treasury Securities and Inverted Yield Curve

2024-12-07

Logos

2024-12-07

Berkshire Hathaway’s Performance vs. S&P 500 and NASDAQ 100

2024-12-06

Special Letters from Warren Buffett and Charlie Munger

2024-11-29

📰 [Nov. 25, 2024] A Letter from Warren Buffett

2024-11-27

📰 [Nov. 19, 2024] Coca-Cola Ad "The Holiday Magic is coming"

2024-11-25

Zero-sum Game and Non-zero-sum Game (Positive-sum Game and Negative-sum Game)

2024-11-17

Charlie Munger Quotes

2024-08-13

Warren Buffett Quotes

2024-08-13

Psychology (12)

2024-10-14

Alfred Hitchcock Talked about "Suspense" vs. "Surprise"

2024-09-29

Psychology Resources

2024-07-17

"For reasons I have never understood, people like to hear that the world is going to hell …"

2024-06-14

From LaTeX lipsum Package to Cicero’s de Finibus Bonorum et Malorum (On the ends of good and evil) and Cato Maior de Senectute (Cato the Elder on Old Age)

2024-05-11