s_1 = (1, -1)
s_2 = (1, 1)
A = Intersect(xAxis, yAxis)
F: {{x(s_1), x(s_2)}, {y(s_1), y(s_2)}}
P = Point(c)
v = Vector(A, P)
w = ApplyMatrix(F, v)
Q = Point((0, 0), w)