> On Aug 30, 2018, at 3:09 AM, Yingjie Wu <[email protected]> wrote:
>
> Dear PETSc developer,
> Hi,
> Thank you very much for helping me solve the problem before. Recently, I
> reinstalled my system and reinstalled PETSc and found the following problems:
>
>
> 1. when I ran the example src/vec/vec/example/tutorial/ex3, there was a
> error:
> [0] PETSC ERROR: PETSc installed without X windows, Microsoft Graphics,
> OpenGL ES, or GLUT / OpenGL on this machine
> I installed PETSc following the official website. I don't know how to solve
> this error.
> 2. I want to use matlab to do input and output data. My data is mainly the
> information of model parameters and initial values in each grid, which is
> usually stored in the form of matrix or vector. In src / vec / vec / example
> / tutorial / ex5, the input and output data in the binary file. dat, but I
> don't know how to open it for subsequent analysis. I want to input or output
> data to PETSc in the form of matrix and vector in MATLAB. I don't know how to
> use MATLAB as the input and output interface. It would be better if there
> were examples.
> 3. Is there a web page that can query the usage of PETSc function? For
> example,
> Http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Viewer/PetscViewerBinaryOpen.html
>
> For beginners like me, a web page that queries how functions are used is very
> useful.
At the bottom of most manual pages is a list of examples that use the given
function. If you find some manual pages without example links please let us
know.
>
> Thanks,
> Yingjie
