hiddendeltas.m

patten regnization source从1-14章能运行

function [deltas] = hiddenDeltas(outputDeltas,hiddenOutputs,outputWeights)
  % deltas, outputs篮 凯氦磐. 
  % outputWeights绰 hidden->output 啊吝摹 青纺 (阿 青篮 免仿 蜡粗狼 啊吝摹 氦磐)
  sigmoidDeriv = hiddenOutputs .* (ones(size(hiddenOutputs)) - hiddenOutputs);
  deltas = (outputWeights' * outputDeltas) .* sigmoidDeriv;