Accord.Tests.Math.JaggedQrDecompositionTest.InverseTest1 C# (CSharp) Method

        public void InverseTest1()
        {
            double[][] value =
            {
                new double[] { 41.9, 29.1, 1 },
                new double[] { 43.4, 29.3, 1 },
                new double[] { 43.9, 29.5, 0 },
                new double[] { 44.5, 29.7, 0 },
                new double[] { 47.3, 29.9, 0 },
                new double[] { 47.5, 30.3, 0 },
                new double[] { 47.9, 30.5, 0 },
                new double[] { 50.2, 30.7, 0 },
                new double[] { 52.8, 30.8, 0 },
                new double[] { 53.2, 30.9, 0 },
                new double[] { 56.7, 31.5, 0 },
                new double[] { 57.0, 31.7, 0 },
                new double[] { 63.5, 31.9, 0 },
                new double[] { 65.3, 32.0, 0 },
                new double[] { 71.1, 32.1, 0 },
                new double[] { 77.0, 32.5, 0 },
                new double[] { 77.8, 32.9, 0 }
            };

            double[][] expected = new JaggedSingularValueDecomposition(value,
                computeLeftSingularVectors: true,
                computeRightSingularVectors: true,
                autoTranspose: true).Inverse();

            var target = new JaggedQrDecomposition(value);
            double[][] actual = target.Inverse();
            Assert.IsTrue(Matrix.IsEqual(expected, actual, atol: 1e-4));

            var targetMat = new QrDecomposition(value.ToMatrix());
            double[][] actualMat = target.Inverse();
            Assert.IsTrue(Matrix.IsEqual(expected, actualMat, atol: 1e-4));
        }