www.gusucode.com > nnet 工具箱 matlab 源码程序 > nnet/nnprocess/+removeconstantrows/backprop.m
function dx = backprop(dy,x,y,settings) %REMOVECONSTANTROWS..BACKPROP Backpropagate derivatives from outputs to inputs % Copyright 2012-2015 The MathWorks, Inc. sizes = size(dy); sizes(1) = settings.xrows; dx = zeros(sizes,'like',dy); dx(settings.keep,:,:,:) = dy; end