On Tue, Dec 16, 2008 at 11:27 AM, Zhiwen Liang <[email protected]> wrote:
> So every element in the mesh should have diffusion coefficient like this:
> D=[0 0 1
> 0 0 0
> -1 0 0]
> Does this also lead to 0*x=b?
I think so. The equation doesn't make sense,
\partial_y \partial_z u - \partial_z \partial_y u
is trivially zero. Right or am I losing my mind? So you are trying to
solve "0 = \alpha".
>> > Hope all is going well.
>> > Recently, I am trying to solve for an equation like this:
>> > \frac{\partial^2 u}{\partial y \partial z}-\frac{\partial^2 u}{\partial
>> > z
>> > \partial y}=\alpha
The above is essentially "0 = \alpha". Do you agree?
--
Daniel Wheeler