WHAT A STARRY NIGHT~

The Starry Night by Vincent van Gogh

RECENT POSTS

Elementary Matrix, Elementary Operation, and Gaussian Elimination

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

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The $\alpha$-sublevel Set of Convex Function

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

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2025-04-11

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

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Conditional Independence

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Matrix Calculus

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

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🎶 A Sigh of Lightheartedness & Has Always Been Quiet

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

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“There are only two tragedies in life: one is not getting what one wants, and the other is getting it.”

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🎶 Blowin’ in the Wind

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🎞️ "We live alone, we die alone …"

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🎶 Miss You 3000

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🎶 What the World Has Given Me 🧨🎇

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

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TeX-related Compilation Commands for Various TeX Formats and Engines

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

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error: could not delete reference refs/remotes/origin/HEAD: cannot lock ref 'refs/remotes/origin/HEAD': unable to resolve reference 'refs/remotes/origin/HEAD': reference broken

and git gc Command

2025-01-19

"Not first, but best."

2025-01-17

Accelerate Deployment of Jekyll Website

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🎶 Afterwards

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Hello, Metafont!

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

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LaTeX Long Table

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Compile LaTeX File Using Command Line

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LaTeX \parskip and parskip Package

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

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Delete All Commit History of A Certain GitHub Repository

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Use Commands to Get Font Information in LaTeX

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