El 07/11/2014, a las 15:10, Denis Davydov escribió: > Dear all, > > I was trying to set the problem type to EPS_GHEP as > the matrices in the considered generalised eigenvalue problem are real and > symmetric. > However, this breaks the solver's convergence as compared to the default, > non-symmetric case. > The residual is quite small (~1e-9). I am puzzled why this happens. > > The output with -eps_view -esp_monitor_all flags is below. > > Thank you in advance for any advices on the issue. > > Kind regards, > Denis >
What do you mean by 'breaks convergence'? Are you sure your matrices are symmetric? Jose
