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Re: [Question #115422]: Sub System extraction

To: Nuno Lopes <question115422@xxxxxxxxxxxxxxxxxxxxx>
From: Anders Logg <logg@xxxxxxxxx>
Date: Tue, 22 Jun 2010 13:22:50 +0200
Cc: dolfin@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20100622111746.31982.24656.launchpad@soybean.canonical.com>
User-agent: Mutt/1.5.20 (2009-06-14)

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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References

[Question #115422]: Sub System extraction
From: Nuno Lopes, 2010-06-22