Hi Jan and Anders,
many thanks for the correction.
Here is still no change in the nonlinear poisson equation:
http://fenicsproject.org/documentation/dolfin/dev/python/demo/documented/nonlinear-poisson/python/documentation.html
I just want to make sure: the derivative of nonlinear poisson equation muss
look like the formula in the attachment :), right?
Best
To
Anders Logg <l...@chalmers.se> schrieb am 15:04 Montag, 4.August 2014:
Typos fixed now in master.
--
Anders
On Sun, Aug 03, 2014 at 10:43:28PM +0200, Jan Blechta wrote:
> The equation (9) in the tutorial is equivalent to the last two equations
> in the demo. But those have totally 3 typos:
>
> 1. the first term of the
derivative is missing factor 2,
> 2. the second term should have (1+u_h)^2 (missing power),
> 3. the last equations should have minus.
>
> Jan
>
>
> On Sun, 3 Aug 2014 21:14:55 +0100
> tong giang <metallica1...@yahoo.com> wrote:
>
> > Dear all,
> >
> > i'm solving a problem with nonlinear poisson equation. But i have
> > found on the website 2 explanations about that equation, but this
> > both don't match with each other. Here a general nonlinear equation
> > was discussed:
> > http://fenicsproject.org/documentation/tutorial/nonlinear.html
> >
> > Using the equation Nr. 9 of the tutorial for the other specific
> > equation here:
> > http://fenicsproject.org/documentation/dolfin/dev/python/demo/documented/nonlinear-poisson/python/documentation.html
> >
> > cozuld
> >
> > i could not come up to the derivative of F'(uh;δu,v).
> >
> > Could someone explain me, how can i fit the derivative from the
> > tutorial to the derivative from the specific
equation of
> > nonlinear-poisson. I would be really happy with any explanation!!
> >
> > Best
> > To
> >
>
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