Lecture notes
Textbook with Zhiwei Zheng version 2026/07/13, 有问题欢迎批评指正
Old version of Typed Notes by Bowen Liu
Lecture 1 and 2
Lecture 3, 4 and 5
Lecture 5 and 6
Lecture 7
Lecture 8 and 9
Lecture 10 and 11
Lecture 12 and 13
Lecture 14
Lecture 15
Lecture 16
Lecture 17-18
Lecture 19-22
Lecture 23
Lecture 24 对称双线性型, Sylvester惯性定理
Lecture 25 内积空间，正定性，Cauchy-Schwartz, Gram-Schmidt, QR分解
Lecture 26 正交矩阵，对称矩阵，谱定理
Lecture 27 奇异值分解SVD, 低秩逼近
Lecture 28 SVD 低秩逼近 主成分分析PCA
Lecture 29 最小二乘法
Lecture 30 厄米特型，酉阵，正规阵