def v_literal(self, x, y):
vx = Vector(x)
vxy = Vector(x, y)
vx1y = Vector(x + 1, y)
s = Scalar(name='s', nonnegative=True)
vs3 = Vector(s + 3, smart=True)
return vx, vxy, vx1y, vs3
def v_num(self):
v2 = Vector(2, smart=True)
v3 = Vector(3, smart=True)
v4 = Vector(4)
v11 = Vector(1, 1)
v13 = Vector(1, 3)
v23 = Vector(2, 3)
return v2, v3, v4, v11, v13, v23