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I think this calculation is for the gradient of cross entropy loss function w.r.t
1
1

Xiangcao Liu

Ms Aerin
1 min readJan 23, 2018

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Hi Xiangcao, thanks for your comment! And you are right! I changed (3) to Si*(Kronecker_D_ij - Sj) from y_hat - y.

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Ms Aerin

Written by Ms Aerin

11.5K Followers

Engineer. Love teaching math concepts intuitively. https://www.youtube.com/@msAerIn

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