public static void BackpropLayer(Matrix dy, Matrix h, Matrix w, IPerceptronFunc outputfunc, out Matrix dh, out Matrix dw)
{
Matrix z = (BaseMatrix)w * (BaseMatrix)h;
Matrix y = outputfunc.Func(z);
var dz = outputfunc.GradientAt(y);
dz.ElemntsMult(dy);
dh = (BaseMatrix)w.Transpose() * (BaseMatrix)dz;
dw = (BaseMatrix)dz * (BaseMatrix)h.Transpose();
}
public static Matrix ForwardPropLayer(IPerceptronFunc outputfunc, Matrix x, Matrix w)
{
var z = (BaseMatrix)w * (BaseMatrix)x;
return(outputfunc.Func(z));
}
