New question #99875 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/99875
I think I'm right in thinking that dolfin can only perform n-dimensional
calculations on meshes embedded in R^n, however is there an easy way to
restrict the dof/manipulate the assembly such that when I do something like
a = u*v*ds
L = f*v*ds
the assembled forms have non-zero determinant? Currently the assembly gives
these matrices (reordered):
[ds stuff | 0 ]
A= [------------------]
[ 0 | 0 ]
[ds stuff ]
b= [----------]
[ 0 ]
whereas I'd either like to just keep the ds stuff (although that would require
another mapping between the reordered ds nodes and the original mesh) or
possibly set the bottom right of A to the identity matrix (without having to
manipulate the matrix myself).
Alternatively, are there any better approaches I could adopt?
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