New question #129481 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/129481
I need to write out some assembled matrices in Matrix Market format, hopefully
from the Python interface. Easily for small matrices I can do:
from dolfin import *
from scipy.io import mmio
from scipy.sparse import csr_matrix
...
A = Matrix()
b = Vector()
assemble_system(a, L, bcs=bc0, A_tensor=A, b_tensor=b)
mmio.mmwrite("A.mtx", csr_matrix(A.array()))
mmio.mmwrite("b.mtx", csr_matrix(b.array()))
But once A gets large calling "A.array()" takes forever. Is there a way in
python that I can just query the sparsity structure of A?
Any other ideas on how to do this quickly?
--
You received this question notification because you are a member of
DOLFIN Team, which is an answer contact for DOLFIN.
_______________________________________________
Mailing list: https://launchpad.net/~dolfin
Post to : dolfin@lists.launchpad.net
Unsubscribe : https://launchpad.net/~dolfin
More help : https://help.launchpad.net/ListHelp
