El 25/03/2015, a las 21:47, Harshad Sahasrabudhe escribió: > With MUMPS you should not get spurious eigenvalues. > I get only a few spurious eigenvalues when using MUMPS with ARPACK, but the > eigenvectors are definitely wrong. > > Did you try the krylovschur solver? > Yes, Krylov-Schur gives me correct results. > > How do you know the eigenvalues are wrong? > I'm testing my implementation of Schrodinger equation solver with a 3D > harmonic oscillator potential. I'm getting correct results using FEAST and > krylovschur solvers. > > Are you setting problem type to GHEP? > Yes >
Did you try the arpack-ng version? Seems that some people have taken over maintainance. Anyway, why do you insist in using ARPACK when SLEPc's Krylov-Schur work? ARPACK will not give you any further advantage. Jose
