封与疯 issues

Results 19 issues of


                                            封与疯

印刷错误

![qq_pic_merged_1691844946792](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/2fcc7baf-339f-4e68-931e-b93082804a64)

Page 6 | Chapter 20 再谈圆锥曲线下标错误

![屏幕截图 2023-08-12 210027](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/2a7d6483-f89f-40e2-ae5e-93d04e6be975) 两个**x1-c2**

Page 12 | Chapter 22 数据与统计印刷错误

### pdf(无误): ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/82a79aff-77f1-418e-96d9-c089ffb8155c) ### 实体书: ![IMG_20230813_002648_edit_4170720877465680](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/f7a08ccb-0634-4420-89fe-b7b52dc43c19) ### 多印刷了一个 t

Page 4 | Chapter 7 向量空间错字

**率 -> 律** ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/dcb840f4-cf8c-419f-af3c-04c9a08e7876) 实体书也有这个问题

Page 19 | Chapter 7 向量空间印刷错误

**e1+e2 不一致** **pdf:** ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/c971d915-3edf-4735-b3de-1d4cffea795c) **实体书:** ![IMG_20230726_002806_edit_2931656938117767](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/c7b07e29-b79e-4f45-8751-d3cfbafd2d24)

Page 15 | Chapter 12 Cholesky分解印刷不一致且错误

**pdf:** ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/f23f22c8-c77c-4957-9eba-549ea0ebb780) **实体书:** ![IMG_20230726_003944_edit_2932155955659357](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/0d980b8d-fa32-4ab8-a420-007d2009c221) 实体书多了红线这一句,是**冗余**(这句之前点出来了)且**错误**(应该是不满秩)的

Page 3 | Chapter 13 特征值分解印刷大小写错误

**pdf:** ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/501b995a-ab80-4900-b5c5-6368fd55a8ee) **实体书:** ![IMG_20230726_004751_edit_2932388464113489](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/e6692c5f-c329-4907-88f9-2211859be363)

Page 13 | Chapter 13 特征值分解

![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/f1b3d6d6-7a2a-4938-b1d5-cfb4652360b5) yj?**单位矩阵???** **Page 8 | Chapter 9 正交投影中** ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/a63c1a4a-059d-456f-bfaf-80ff058d8a48) 要么改成 **V是正交矩阵** 要么改成 **vj是单位向量(推荐,且本意应该是这个)**

Page 12 | Chapter 14 深入特征值分解

![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/7ce8fa83-4dda-4670-a791-29474a0e96aa) 应该为 ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/0dc01f5d-01f2-4c45-abcd-9c2093ac37b6) **理由:** Page 12 中 ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/66c7734c-f7fc-442f-917d-a91f6f35467c) Page 13 中 ![image](https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/69034009/5af963f6-1caa-4b33-bffe-c21790d9e937) 以及,我验算了