void () { // see http://ru.onlinemschool.com/math/library/matrix/multiply1/ assertEquals(Matrix.create(2, // rows 20, 10, 45, 0), Matrix.create(2, // rows 4, 2, 9, 0).multiply(5)); assertEquals(Matrix.create(3, // rows -4, 4, 2, -0.0, // fix -10, 2), Matrix.create(3, // rows 2, -2, -1, 0, 5, -1).multiply(-2)); }