[KongchangAI]
Unverified50% confidenceFactExact time

逻辑回归的前向传播流程为:线性组合 z = w·x + b,通过 sigmoid 激活 ŷ = 1/(1+e^(-z)),再计算交叉熵损失

1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen

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