Right now, the polar component operators (PolarRadialComponent and PolarAzimuthalComponent) assume they are acting on vectors. This PR allows the operators to act on tensors.
@kburns I had intended to add some tests to this, but it is pretty tricky to set up a test for this type of problem (non-square operator). So I think we might want to just merge this in directly. Thoughts?
Right now, the polar component operators (PolarRadialComponent and PolarAzimuthalComponent) assume they are acting on vectors. This PR allows the operators to act on tensors.