Unverified50% confidenceFactExact time
梯度下降的参数更新规则为 θ_{t+1} = θ_t - η·∇L(θ_t)，其中η是学习率，沿负梯度方向更新参数可最快减小损失函数
1
Sources
50%
Confidence
Long-term
Relevance
8/23/2026
First Seen
Sources
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