> On 30 Apr 2018, at 04:54, Wolfgang Bangerth <[email protected]> wrote:
> 
> On 04/28/2018 10:36 PM, Denis Davydov wrote:
>> As far as as recall there just a few things left related to complex numbers.
>> The biggest one is complex-valued Dirichlet constraints in ConstraintMatrix 
>> object
>> https://github.com/dealii/dealii/issues/1760
>> That's not possible yet. Otherwise all the solvers and linear algebra is 
>> ready. So you can certainly assemble system and solve it.
> 
> Denis -- out of curiosity, what solver are you using for complex-valued 
> linear systems? I don't think the deal.II SolverGMRES class works, and 
> obviously the other iterative solvers don't either. Nor does UMFPACK.

I would not be so sure about it, but I have not tried either.
I am quite certain complex-valued PETSc will work.

ps. I don’t use any of them, some time ago I invested a lot of efforts to push 
forward
complex-valued algebra in deal.II (which was also followed by others), but 
strangely enough I never used it. 

> 
> Best
> W.
> 
> -- 
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> Wolfgang Bangerth          email:                 [email protected]
>                           www: http://www.math.colostate.edu/~bangerth/
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