public void GetDerrivativeApproximationGivenAngleArrayReturnsValidMatrix()
        {
            // Arrange
            var angles = Vector <double> .Build.DenseOfArray(new double[] { 180, 0, 0, 0 });

            // Act
            var result = MatrixOperations.GetDerrivativeApproximation(angles);

            // Assert
            var norm = result.L2Norm();

            Assert.IsTrue(norm > 0);
        }