Accord.Tests.Math.QrDecompositionTest.SolveTransposeTest C# (CSharp) Method

        public void SolveTransposeTest()
        {
            double[,] a = 
            {
                { 2, 1, 4 },
                { 6, 2, 2 },
                { 0, 1, 6 },
            };

            double[,] b =
            {
                { 1, 0, 7 },
                { 5, 2, 1 },
                { 1, 5, 2 },
            };

            double[,] expected =
            {
                 { 0.5062,    0.2813,    0.0875 },
                 { 0.1375,    1.1875,   -0.0750 },
                 { 0.8063,   -0.2188,    0.2875 },
            };

            var target = new QrDecomposition(b, true);
            double[,] actual = target.SolveTranspose(a);
            Assert.IsTrue(Matrix.IsEqual(expected, actual, 1e-3));
            Assert.IsTrue(Matrix.IsEqual(b.Transpose(), target.Reverse(), 1e-6));

        }
    }