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Book_3_《数学要素》 | 鸢尾花书：从加减乘除到机器学习；上架；欢迎继续纠错，纠错多的同学还会有赠书！
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Book3_Ch23_Page12 式 (31) 有误 #158

Closed g199209 closed 2 months ago

g199209 commented 2 months ago

$a=x=Ix=......$

应该是 $a=Ix=......$

g199209 commented 2 months ago

$I$ 是单位矩阵，没有问题了