O = Point(xAxis)
B = (1, 0)
i = Vector(O, B)
C = Point(yAxis)
j = Vector(O, C)
A = (2, 1)
D = (-1, 1)
b = Vector(A, D)
E = (-3, 1)
F = (-1, 4)
a = Vector(E, F)
G = (-1.5, -3)
H = (-1.5, -0.5)
v = Vector(G, H)
I = (1.4789398734177217, -1)
J = (3.4789398734177217, -2.5)
u = Vector(I, J)