public void TestMatrixMultiplication() { var matrixA = new double[, ] { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } }; var matrixB = new double[] { 7, 8, 9 }; var newMatrix = MathMethods.MatrixMultiply(matrixA, matrixB); Assert.AreEqual(122, newMatrix[1]); }