double[][] sourceMatrix = new double[][]
        {
            new double[] { 2.5,  2.4 },
            new double[] { 0.5,  0.7 },
            new double[] { 2.2,  2.9 },
            new double[] { 1.9,  2.2 },
            new double[] { 3.1,  3.0 },
            new double[] { 2.3,  2.7 },
            new double[] { 2.0,  1.6 },
            new double[] { 1.0,  1.1 },
            new double[] { 1.5,  1.6 },
            new double[] { 1.1,  0.9 }
        };

        // Create a new linear kernel
        IKernel kernel = new Linear();

        // Creates the Kernel Principal Component Analysis of the given data
        var kpca = new KernelPrincipalComponentAnalysis(sourceMatrix, kernel);

        // Compute the Kernel Principal Component Analysis
        kpca.Compute();

        // The following statement throws an exception:
        // An unhandled exception of type 'System.IndexOutOfRangeException' occurred in Accord.Math.dll
        double[] transformed = kpca.Transform(sourceMatrix[0]);