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Book_4_《矩阵力量》 | 鸢尾花书：从加减乘除到机器学习；上架！
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formula erro #168

Closed kingwe-stack closed 4 months ago

kingwe-stack commented 5 months ago

image formula 58 ,the right one is ||Xv||/||v||

Visualize-ML commented 4 months ago

这个没有问题，v是单位向量所以消去；x仅仅是非0向量