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77页表3.1，损失函数表示有误 #617

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lh5624210 opened this issue Dec 25, 2021 · 5 comments
Open

77页表3.1，损失函数表示有误 #617

lh5624210 opened this issue Dec 25, 2021 · 5 comments

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@lh5624210
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77页表3.1，Logistic回归和Softmax回归的损失函数表示有误

  • 表示有误：P77表3.1，Logistic回归损失函数中的y应为y的转置，同理Softmax回归也一样，y应该是y转置，因为y为类别的one-hot向量，是一个列向量的形式
@Faith-Uchiha
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Faith-Uchiha commented Dec 25, 2021 via email

@jacob240618
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jacob240618 commented Dec 25, 2021 via email

@MAlways
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MAlways commented Jan 1, 2025

77页表3.1，Logistic回归和Softmax回归的损失函数表示有误

  • 表示有误：P77表3.1，Logistic回归损失函数中的y应为y的转置，同理Softmax回归也一样，y应该是y转置，因为y为类别的one-hot向量，是一个列向量的形式

为什么这里两个的损失函数没有负号呢 前面也没作声明

@Faith-Uchiha
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Faith-Uchiha commented Jan 1, 2025 via email

@Limbolm
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Limbolm commented Jan 1, 2025 via email

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@Limbolm @Faith-Uchiha @jacob240618 @lh5624210 @MAlways