Meanwhile, the back propagation learning algorithm is given based on BP.

文章还推导了基于BP的反传学习算法。

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The learning algorithm is BP (Back Propagation) algorithm.

学习算法为反向传播算法。

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Disadvantages of the back propagation algorithm are discussed, and the improved methods based on dynamic learning constants and different activation functions are presented.

讨论了误差逆传播算法存在的缺陷，并针对其缺陷提出了动态调整学习因子与合理选取激发函数相结合的改进方案。

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