if we have
Vh fespace (Th, [P2, P2, P1]);
Wh fespace (Th, [P2,P2]);
Vh [ux, uy, p];
Wh [wx, wy];
After moving the mesh of Th, what shall we usually do if want to
- pass the nodal values of ux and uy to wx and wy respectively?
- interpolate [ux, uy] to [wx, wy]?
My initial though was
- wx = ux
- [wx, wy] = [ux, uy]
However, I am still confused. It seems [ux, uy] is not allowed, we have to use [ux, uy, p]. I am also not sure wx = ux is right or wrong, because the right-hand side has three components, whose order may be mixed up.