public void StringMatrixExtensions_CombineStringMatrices_Cols()
        {
            var matrix1 = new StringMatrix(InputData, 2, 3);
            var matrix2 = new StringMatrix(InputData, 2, 3);

            var actual = matrix1.CombineCols(matrix2);

            Assert.AreEqual(new StringMatrix(CombineDataCols, 2, 6), actual);
        }
        public void StringMatrixExtensions_CombineStringMatrixAndVector()
        {
            var matrix = new StringMatrix(InputData, 2, 3);
            var vector = new string[] { "3", "6" };

            var expected = new StringMatrix(new string[] { "1", "2", "3", "3",
                                                           "4", "5", "6", "6" }, 2, 4);
            var actual = matrix.CombineCols(vector);

            Assert.AreEqual(expected, actual);
        }