Author Archives: pingzhou.yuan1@gmail.com

About pingzhou.yuan1@gmail.com

Maching Learning --> Mathematics --> Cryptography --> Mathematics

Ch04 Ch06

Posted on September 19, 2026 by pingzhou.yuan1@gmail.com

Eigenvalues and Eigenvectors Inner Product Spaces Continue reading →

Posted in Linear Algebra | Leave a comment

Part 1

Posted on September 19, 2026 by pingzhou.yuan1@gmail.com

Fundamentals Basic Logic Inference $P \to Q, P \implies Q$ $P \to Q, \neg Q \implies \neg P$ $P \lor Q, \neg P \implies Q$ $P (\text{or } Q) \implies P \lor Q$ $P, Q \implies P \land Q$ $P \land Q \implies P (\text{or } Q)$ $P \lor Q… Continue reading →

Posted in Math of Proof | Leave a comment

Ch01 Ch03

Posted on September 19, 2026 by pingzhou.yuan1@gmail.com

Table of Contents (click to expand) Ch01 – Vector Spaces Subspace Sum of Subspaces Direct Sums Ch02 – Finite-Dimensional Span and Linear Independence Linear Combinations and Span Linear independence Bases Dimension Ch03 – Linear Maps Vector Space of Linear Maps … Continue reading →

Posted in Linear Algebra | Leave a comment