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

        public void InverseTest2()
        {
            int n = 5;

            var I = Jagged.Identity(n);

            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < n; j++)
                {
                    double[][] value = Jagged.Magic(n);

                    var target = new JaggedSingularValueDecomposition(value);

                    double[][] solution = target.Solve(I);
                    double[][] inverse = target.Inverse();
                    double[][] reverse = target.Reverse();

                    Assert.IsTrue(Matrix.IsEqual(solution, inverse, 1e-4));
                    Assert.IsTrue(Matrix.IsEqual(value, reverse, 1e-4));
                }
            }
        }