Im(f)

Nu(f)

f(W)

U = Point({-1, 1, 0})
u = Vector(U)
V = Point({-1, 0, 1})
v = Vector(V)
n: u ⊗ v
A = OrthogonalPlane((0, 0), n)
r = Line((0, 0), n)
W = Point({1, -1, 3})
w = Vector(W)
s = Line(W, n)
P = Intersect(s, A)
PW = Segment(P, W)
p = Vector(P)