Computing eigenvectors

Asked by Harish Iyer

I need to repeatedly find the eigen vectors and eigen values of the Right Cauchy-Green Tensor (3X3 Matrix) within an iteration loop. Is there a way to achieve this using UFL or otherwise.

Thanks,
Harish Iyer

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Anders Logg (logg) said :
#1

On Sun, Jan 09, 2011 at 09:52:18PM -0000, Harish Iyer wrote:
> New question #140810 on DOLFIN:
> https://answers.launchpad.net/dolfin/+question/140810
>
> I need to repeatedly find the eigen vectors and eigen values of the Right Cauchy-Green Tensor (3X3 Matrix) within an iteration loop. Is there a way to achieve this using UFL or otherwise.
>
> Thanks,
> Harish Iyer

Not that I know of, but perhaps for such a small system you could use
an explicit solution formula and express that in UFL?

--
Anders

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