Oh, I see. I have made a mistake. thank you.
But in the part of "Linear solver and preconditioning issues" of tutorial
22:
...
On the other hand, for the Stokes equation we consider here, the Schur
complement is B^{T} A^{-1} B ....
I think here should be B A^{-1} B^{T}.
Best regards,
Shengli
2009/2/20 Wolfgang Bangerth <[email protected]>
>
> > In the step-22 tutorial , V_{g,h} should be V_{h} in the part of
> > Descretation.
>
> Why? This is supposed to be the discrete space with 'g' as boundary values.
> You may well be right but I don't immediately see what's wrong with the
> existing statement -- so could you explain in a bit more detail?
>
> Thanks
> Wolfgang
>
> --
> -------------------------------------------------------------------------
> Wolfgang Bangerth email: [email protected]
> www:
> http://www.math.tamu.edu/~bangerth/<http://www.math.tamu.edu/%7Ebangerth/>
>
>
--
Shengli Xu
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