www.gusucode.com > nnet 工具箱 matlab 源码程序 > nnet/nnperformance/+sae/backprop.m
function dy = backprop(t,y,e,param) %SAE.BACKPROP Backpropagate derivatives of performance % Copyright 2012-2015 The MathWorks, Inc. dy = -sign(e); end