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Hi everyone,
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<div class="">I am trying to use the Shift-and-invert spectral transformations for my diagonalisation code. While there is no problem running the code with</div>
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<div class="">STSetType(st,STSHIFT);</div>
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<div class="">I receive the following errors when using STSetType(st,STSINVERT):</div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: See <a href="http://www.mcs.anl.gov/petsc/documentation/linearsolvertable.html" class="">http://www.mcs.anl.gov/petsc/documentation/linearsolvertable.html</a> for possible LU
and Cholesky solvers</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: Could not locate a solver package. Perhaps you must ./configure with --download-<package></span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: See <a href="http://www.mcs.anl.gov/petsc/documentation/faq.html" class="">http://www.mcs.anl.gov/petsc/documentation/faq.html</a> for trouble shooting.</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: Petsc Release Version 3.10.2, Oct, 09, 2018 </span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: ./main on a arch-linux2-c-debug named yangbo-ThinkStation-P720 by yangbo Thu Aug 1 17:30:34 2019</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++ --with-fc=gfortran --download-mpich --download-fblaslapack --with-debugging=0 COPTFLAGS="-O3 -march=native -mtune=native" CXXOPTFLAGS="-O3
-march=native -mtune=native" FOPTFLAGS="-O3 -march=native -mtune=native"</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #1 MatGetFactor() line 4415 in /home/yangbo/petsc-3.10.2/src/mat/interface/matrix.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #2 PCSetUp_LU() line 93 in /home/yangbo/petsc-3.10.2/src/ksp/pc/impls/factor/lu/lu.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #3 PCSetUp() line 932 in /home/yangbo/petsc-3.10.2/src/ksp/pc/interface/precon.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #4 KSPSetUp() line 391 in /home/yangbo/petsc-3.10.2/src/ksp/ksp/interface/itfunc.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #5 STSetUp_Cayley() line 192 in /home/yangbo/slepc-3.10.1/src/sys/classes/st/impls/cayley/cayley.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #6 STSetUp() line 271 in /home/yangbo/slepc-3.10.1/src/sys/classes/st/interface/stsolve.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #7 EPSSetUp() line 263 in /home/yangbo/slepc-3.10.1/src/eps/interface/epssetup.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #8 EPSSolve() line 135 in /home/yangbo/slepc-3.10.1/src/eps/interface/epssolve.c</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: #9 main() line 331 in main.cpp</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: PETSc Option Table entries:</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: -e 7</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: -f d</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: -nev 20</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: -o 19</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">[0]PETSC ERROR: ----------------End of Error Message -------send entire error message to <a href="mailto:petsc-maint@mcs.anl.gov" class="">petsc-maint@mcs.anl.gov</a>----------</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">application called MPI_Abort(MPI_COMM_WORLD, 92) - process 0</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">May I know if I need to install the solver package for this to work?</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">Thank you very much!</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">Best regards,</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">Yang Bo</span></div>
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