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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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Chapter5 公式5.51 #130

Closed hxy2321548628 closed 5 months ago

hxy2321548628 commented 7 months ago

公式5.51好像错了,二次型的展开式子应该是: 60f1121d7db96144255f3579275073a 833d1f50cb31058f208e087ab5aef7c

Visualize-ML commented 7 months ago

谢谢你,这个式子把对角线元素和非对角元素分离。式子下面,有一处说明i和j关系

On Thu, Feb 15, 2024 at 10:59 AM hxy2321548628 @.***> wrote:

公式5.51好像错了,二次型的展开式子应该是: 60f1121d7db96144255f3579275073a.jpg (view on web) https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/149643090/84e8a2c4-9591-4182-9286-934b1f52d94b 833d1f50cb31058f208e087ab5aef7c.jpg (view on web) https://github.com/Visualize-ML/Book4_Power-of-Matrix/assets/149643090/8987de98-19fb-46a3-b852-32bcb3997b99

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hxy2321548628 commented 7 months ago

好的好的,不好意思,没认真看哈哈哈