第二代神经网络 向后传播误差学 Compare outputs with 习多层神经网络 correct answer to get 权重 error signal outputs hidden layers inputs vector David E.Rumelhart,Geoffrey E.Hinton and Ronald J.Williams,"Learning Representations by Back-Propagating Errors,"Nature,Vol.323,1986,pp.533-536. 3/66第二代神经网络 向后传播误差学 习多层神经网络 权重 Compare outputs with correct answer to get error signal outputs hidden layers inputs vector David E. Rumelhart, Geoffrey E. Hinton and Ronald J. Williams,“Learning Representations by Back-Propagating Errors,” Nature, Vol.323, 1986, pp. 533-536. 3 / 66