Which transformation is the Jacobian determinant J=∂(x,y)∂(u,v)J = \frac{\partial(x, y)}{\partial(u, v)}J=∂(u,v)∂(x,y) evaluated for x=u+vx = u+vx=u+v and y=u−vy = u-vy=u−v?
−2-2−2
000
111
222