Function() public method

The Inverse Squared link function.
public Function ( double x ) : double
x double An input value.
return double
InverseSquaredLinkFunction Class Documentation
Example #1
0
        public void InverseSquaredLinkFunctionConstructorTest()
        {
            InverseSquaredLinkFunction target = new InverseSquaredLinkFunction();
            Assert.AreEqual(0, target.A);
            Assert.AreEqual(1, target.B);

            for (int i = 0; i < 11; i++)
            {
                double x = i / 10.0;
                double y = 1 / (x * x);

                Assert.AreEqual(y, target.Function(x), 1e-10);
                Assert.AreEqual(x, target.Inverse(y), 1e-10);
            }
        }
Example #2
0
        public void InverseSquaredLinkFunctionConstructorTest1()
        {
            double beta = 3.14;
            double constant = 2.91;

            InverseSquaredLinkFunction target = new InverseSquaredLinkFunction(beta, constant);
            Assert.AreEqual(constant, target.A);
            Assert.AreEqual(beta, target.B);

            for (int i = 0; i < 11; i++)
            {
                double x = i / 10.0;
                double y = (1 / (x * x) - constant) / beta;

                Assert.AreEqual(y, target.Function(x), 1e-10);
                Assert.AreEqual(x, target.Inverse(y), 1e-10);
            }
        }