Unverified50% confidenceFactExact time
自动微分通过在前向计算过程中记录每一步操作及其局部导数规则构建计算树，反向传播时沿计算树应用链式法则计算梯度
1
Sources
50%
Confidence
Long-term
Relevance
8/28/2026
First Seen
Sources
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