private static void TestDense()
{
Tensor tensor = Tensor.FromArray(Global.Device, new float[] { -1, 2, 3, -4, 5, 6, 7, -8, 9 });
tensor = tensor.Reshape(3, -1);
Dense d = new Dense(6, ActivationType.Linear, new Ones(), null, null, true, new Ones());
d.Forward(Variable.Create(tensor));
d.Output.Print();
d.Backward(d.Output);
d.Input.Grad.Print();
d.Params["w"].Grad.Print();
d.Params["b"].Grad.Print();
}