public void ArctanPrimeTest()
{
var a = new Matrix(2, 2);
a.InRandomize();
var b = a.Duplicate();
a = new Arctan().Backward(a);
b.InMap((x) => 1 / (1 + Math.Pow(x, 2)));
Assert.IsTrue(Math.Abs(a.FrobeniusNorm() - b.FrobeniusNorm()) < 0.1,
new Arctan().Type().ToString() + " Derivative.");
}
public void ArctanTest()
{
var a = new Matrix(2, 2);
a.InRandomize();
var b = a.Duplicate();
a = new Arctan().Forward(a);
b.InMap(Math.Atan);
Assert.IsTrue(Math.Abs(a.FrobeniusNorm() - b.FrobeniusNorm()) < 0.1,
new Arctan().Type().ToString() + " Activation.");
}
