Accord.Tests.Math.MatrixTest.InverseTest3x3 C# (CSharp) Method

        public void InverseTest3x3()
        {
            double[,] value = 
            { 
                { 6.0, 1.0, 2.0 },
                { 0.0, 8.0, 1.0 },  
                { 2.0, 4.0, 5.0 }  
            };

            Assert.IsFalse(value.IsSingular());

            double[,] expected = new SingularValueDecomposition(value).Inverse();

            double[,] actual = Matrix.Inverse(value);

            Assert.IsTrue(Matrix.IsEqual(expected, actual, 1e-6));
        }