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<body class='hmmessage'><div dir='ltr'>Hi,<br><br>Ok. Thanks for all of you! I decided to stay in command line<br>options. I just had to change a couple of things in my code.<br>and now everything works. <br><br>-Heikki<br><div><br>> > Thanks! If there is a way to avoid command line options,<br>> > it would be excellent. Sorry, that I didn't remember to <br>> > mention this one. Your example has command line options<br>> > "st_ksp_type","st_pc_type","st_pc_hypre_type"<br>> <br>> Note that you can use the PETSC_OPTIONS environment variable, a petscrc<br>> file, or any other file. See the user's manual and this page for<br>> details.<br>> <br>> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscOptionsInsertFile.html<br>> <br>> > Do they have an equivalent function calls?<br>> ><br>> > -Heikki<br>> ><br>> >> > Hi, I try to solve eigenvalue problem using EPS object <br>> >> > and Krylov-Schur solver. Everything goes well and I <br>> >> > can solve the problems that I want. <br>> >> > <br>> >> > Anyway, I want to use other preconditioners than the <br>> >> > default preconditioner. It is a little bit unclear for<br>> >> > me how to do this. For example, I have installed<br>> >> > PETSc with Hypre. How can use BoomerAMG preconditioner<br>> >> > instead of ILU? ( SLEPc chooses this by default ) <br>> >> > <br>> >> > -Heikki<br>> >> <br>> >> Have a look at section 3.4.1 of SLEPc's users guide. For instance, you can try something like this:<br>> >> <br>> >> $ ./program -st_ksp_type bcgs -st_pc_type hypre -st_pc_hypre_type boomeramg<br>> >> <br>> >> Jose<br>> >> <br>> > <br></div> </div></body>
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