Unverified50% confidenceFactExact time
缩放点积注意力公式为 Attention(Q,K,V) = softmax(QK^T/√d_k)V，除以√d_k是为防止点积在高维空间中过大导致softmax进入饱和区域
1
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50%
Confidence
Long-term
Relevance
8/27/2026
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