Accord.Tests.Math.QrDecompositionTest.InverseTest2 C# (CSharp) Method

        public void InverseTest2()
        {
            double[,] value =
            {
               {  2, -1,  0 },
               { -1,  2, -1 },
               {  0, -1,  2 }
            };

            double[,] expected =
            {
                { 0.7500,    0.5000,    0.2500},
                { 0.5000,    1.0000,    0.5000},
                { 0.2500,    0.5000,    0.7500},
            };


            var target = new QrDecomposition(value);

            double[,] actual = target.Inverse();
            Assert.IsTrue(Matrix.IsEqual(expected, actual, 0.0000000000001));

            target = new QrDecomposition(value.Transpose(), true);
            actual = target.Inverse();
            Assert.IsTrue(Matrix.IsEqual(expected, actual, 0.0000000000001));
        }