Accord.Tests.MachineLearning.SequentialMinimalOptimizationTest.LearnTest4 C# (CSharp) Method

        public void LearnTest4()
        {

            double[][] inputs =
            {
                new double[] { -1, -1 },
                new double[] { -1,  1 },
                new double[] {  1, -1 },
                new double[] {  1,  1 }
            };

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

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

            // Create the sequential minimal optimization teacher
            SequentialMinimalOptimization learn = new SequentialMinimalOptimization(machine, inputs, negatives);
            learn.Complexity = 1;

            // Run the learning algorithm
            double error = learn.Run();

            Assert.AreEqual(0, error);


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

            for (int i = 0; i < output.Length; i++)
            {
                bool sor = negatives[i] >= 0;
                bool sou = output[i] >= 0;
                Assert.AreEqual(sor, sou);
            }


        }