1, 1); Vector X = new Vector(1, 2, 3, 4); Vector Y = M.times(X); Assert.assertEquals(4, Y.size()); Assert.assertEquals(3, Y.coord(0), EPSILON); 3, 2); X = new Vector(1, 2, 3, 4, 5, 6); Y = M.times(X); Assert.assertEquals(6, Y.size()); Assert.assertEquals(5, Y.coord(0), EPSILON); 1, 2); X = new Vector(3, 4); Y = M.times(X); Assert.assertEquals(2, Y.size()); Assert.assertEquals(11, Y.coord(0), EPSILON);