/// <summary>3次元最大値逆プーリング</summary>
public static Tensor MaxUnpooling3D(Tensor gx, Tensor y, Tensor x, int stride)
{
Function function =
new Functions.Connection3D.MaxUnpooling(stride);
Tensor gy = new Tensor(function.OutputShapes(x.Shape)[0]);
function.Execute(new Tensor[] { gx, y, x }, new Tensor[] { gy });
return(y);
}