Sub System extraction

Asked by Nuno Lopes on 2010-06-22

With dolfin 0.9.7 is not possible to extract a SubSpace from a FunctionSpace with only one component.
I get "Unable to extract sub system (there are no sub systems)".

Is this a change of behaviour in the newer versions or a bug?

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DOLFIN Edit question
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Last query:
2010-06-22
Last reply:
2010-06-22
Anders Logg (logg) said : #1

On Tue, Jun 22, 2010 at 11:17:46AM -0000, Nuno Lopes wrote:
> New question #115422 on DOLFIN:
> https://answers.launchpad.net/dolfin/+question/115422
>
> With dolfin 0.9.7 is not possible to extract a SubSpace from a FunctionSpace with only one component.
> I get "Unable to extract sub system (there are no sub systems)".
>
> Is this a change of behaviour in the newer versions or a bug?

Yes, this is a changed behavior in UFC. A "simple" element does not
have any sub elements.

--
Anders

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