www.gusucode.com > nnet 工具箱 matlab 源码程序 > nnet/nntransfer/+netinv/forwardprop.m
function da = forwardprop(dn,n,a,param) %NETINV.FORWARDPROP Forward propagate derivatives from input to output. % Copyright 2012-2015 The MathWorks, Inc. da = bsxfun(@times,dn,max(-a.*a,-1e60)); end