public ActivationFunction ( double x, int start, int size ) : void | ||
x | double | |
start | int | |
size | int | |
return | void |
public virtual void ActivationFunction(double[] x, int start,
int size)
{
for (int i = start; i < start + size; i++)
{
if (x[i] >= 0)
{
x[i] = BoundMath.Log(1 + x[i]);
}
else
{
x[i] = -BoundMath.Log(1 - x[i]);
}
}
}
public void TestLog() { var activation = new ActivationLOG(); Assert.IsTrue(activation.HasDerivative()); var clone = (ActivationLOG) activation.Clone(); Assert.IsNotNull(clone); double[] input = {0.0}; activation.ActivationFunction(input, 0, 1); Assert.AreEqual(0.0, input[0], 0.1); // test derivative input[0] = activation.DerivativeFunction(input[0],input[0]); Assert.AreEqual(1.0, input[0], 0.1); }