[petsc-users] unstructured parallel

[Hong Zhang]

Sorry, I mean

> They solve same problem, but illustrate different TS solvers and approaches.
> Although ex4.c uses DA in main() to create vectors and is intended to
> illustrate a non-linear TS solver,
> its function evaluation does use DA. ex4.c is not a good example for using DA.
                                    dose NOT use DA.

Hong
>
> Almost all petsc objects and solvers are parallel, which manage
> parallel data distribution and implementation.
> DA is one of objects.
>
> Hong
>
>>
>> At last is there any example I can learn to get a parallel version of my
>> problem.
>>
>>
>>
>> Thanks!
>>
>>
>