public void LeastSquaresConstructorTest()
{
double[][] inputs =
{
new double[] { -1, -1 },
new double[] { -1, 1 },
new double[] { 1, -1 },
new double[] { 1, 1 }
};
int[] or =
{
0,
0,
0,
+1
};
// Create Kernel Support Vector Machine with a Polynomial Kernel of 2nd degree
var machine = new SupportVectorMachine(inputs[0].Length);
var learn = new LeastSquaresLearning(machine, inputs, or);
double error = learn.Run();
Assert.AreEqual(0, error);
{
int[] iout = new int[inputs.Length];
machine.ToMulticlass().Decide(inputs, iout);
for (int i = 0; i < iout.Length; i++)
{
Assert.AreEqual(or[i], iout[i]);
}
}
{
double[] dout = new double[inputs.Length];
machine.ToMulticlass().Decide(inputs, dout);
for (int i = 0; i < dout.Length; i++)
{
Assert.AreEqual(or[i], dout[i]);
}
}
{
bool[] bout = new bool[inputs.Length];
machine.Decide(inputs, bout);
Assert.IsFalse(bout[0]);
Assert.IsFalse(bout[1]);
Assert.IsFalse(bout[2]);
Assert.IsTrue(bout[3]);
}
{
int[][] iiout = Jagged.Create <int>(inputs.Length, 2);
machine.ToMulticlass().Decide(inputs, iiout);
for (int i = 0; i < iiout.Length; i++)
{
Assert.AreEqual(or[i], iiout[i][0]);
Assert.AreEqual(or[i], iiout[i][1] == 1 ? 0 : 1);
}
}
{
bool[][] bbout = Jagged.Create <bool>(inputs.Length, 2);
machine.ToMulticlass().Decide(inputs, bbout);
for (int i = 0; i < bbout.Length; i++)
{
Assert.AreEqual(or[i], bbout[i][0] ? 1 : 0);
Assert.AreEqual(or[i], bbout[i][1] ? 0 : 1);
}
}
}