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

        public void InverseTest()
        {
            var value = new double[][]
            { 
                  new double[] { 1.0, 1.0 },
                  new double[] { 2.0, 2.0 }
            };

            var target = new JaggedSingularValueDecomposition(value);

            var expected = new double[][]
            {
               new double[] { 0.1, 0.2 },
               new double[] { 0.1, 0.2 }
            };

            var actual = target.Solve(Matrix.JaggedIdentity(2));
            Assert.IsTrue(Matrix.IsEqual(expected, actual, 1e-3));
            Assert.IsTrue(Matrix.IsEqual(value, target.Reverse(), 1e-5));
            actual = target.Inverse();
            Assert.IsTrue(Matrix.IsEqual(expected, actual, 1e-3));
        }