[KongchangAI]
Verified65% confidenceFactExact time

Self-Attention的核心公式为Attention(Q,K,V) = softmax(QKᵀ/√dk)V,除以√dk是为了缓解点积值过大导致的梯度消失问题

3
Sources
65%
Confidence
Long-term
Relevance
7/13/2026
First Seen

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