Accord.Tests.MachineLearning.SequentialMinimalOptimizationTest.LearnTest3 C# (CSharp) Method

        public void LearnTest3()
        {
            double[][] inputs =
            {
                new double[] { -1, -1 },
                new double[] { -1,  1 },
                new double[] {  1, -1 },
                new double[] {  1,  1 }
            };

            int[] xor =
            {
                -1,
                 1,
                 1,
                -1
            };

            // Create Kernel Support Vector Machine with a Polynomial Kernel of 2nd degree
            KernelSupportVectorMachine machine = new KernelSupportVectorMachine(new Polynomial(2), inputs[0].Length);

            // Create the sequential minimal optimization teacher
            SequentialMinimalOptimization learn = new SequentialMinimalOptimization(machine, inputs, xor);

            // Run the learning algorithm
            learn.Run();


            int[] output = inputs.Apply(p => Math.Sign(machine.Compute(p)));

            for (int i = 0; i < output.Length; i++)
                Assert.AreEqual(System.Math.Sign(xor[i]), System.Math.Sign(output[i]));
        }