[SciPy-user] Trouble with linsolve
nwagner at iam.uni-stuttgart.de
Tue Nov 28 10:31:35 CST 2006
Bill Baxter wrote:
> Just a guess, but I think the problem is just that usually when people
> solve sparse equations the matrix is sparse, but the RHS vector is
> dense. I don't know if UMFPACK or SuperLU can actually handle a
> sparse RHS vector, but if they can, then it sounds like a SciPy bug.
> I guess it should work if you convert your 'f' to a dense array before
> making the calls to the solver.
> SciPy-user mailing list
> SciPy-user at scipy.org
Thank you very much for your hint.
f = f.todense() resolved this problem. However
** On entry to dgssv, parameter number 7 had an illegal value
AFAIK dgssv is a part of SuperLU, but what is the meaning of parameter
number 7 ?
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