ConceptBackpropagation / BP算法
反向传播算法
神经网络训练中的核心算法，通过计算损失函数对各层参数的梯度，反向逐层更新权重，使模型输出逐渐接近期望结果。
Core Facts
Timeline (last 90 days)
Sep 5
The backpropagation algorithm is built entirely on the chain rule.
Unverified50%
All Facts (3)
Verified
The backpropagation algorithm was popularized by Rumelhart, Hinton, and Williams in their 1986 paper, with the chain rule as its mathematical core.
80%VerifiedIn 1986, Rumelhart and colleagues re-popularized the backpropagation algorithm.
80%UnverifiedThe backpropagation algorithm is built entirely on the chain rule.
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