cannot find -lustdio with matlab on

Hong Zhang hzhang at
Mon Aug 10 09:10:47 CDT 2009


The easist way is run your petsc code with the option
'-mat_view_matlab', and dump it into a file.
Then use Matlab to load it for whatever you want to investigate.
See petsc user manual on "Using Matlab with PETSc".


On Mon, 10 Aug 2009, Weiwei Wang wrote:

> Dear All,
>     I want to check the determinant of some sparse matrix in petsc but I 
> didn't know how to do it using petsc directly so I try to save  the sparse 
> matrix in Matlab format, then calculate the determinant in Matlab, so I 
> reinstalled petsc with the opinion "--with-matlab-dir=...", but the following 
> error appeared:
> /usr/bin/ld: cannot find -lustdio
> collect2: ld returned 1 exit status
> make[2]: [shared_linux] Error 1 (ignored)
> I don't know where I can find the lib "ustdio" or other ways to calculate the 
> determinant, the system of my box is debian 5, so any suggestion is 
> appreciated.
> Thanks,
> weiwei wang

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