On Fri, Oct 20, 2017 at 7:43 PM, Kong, Fande <[email protected]> wrote:
> Hi All, > > I am trying to solve a generalized eigenvalue problem (using SLEPc) with > "-eps_type krylovschur -st_type sinvert". I got an error message: "Must > select a target sorting criterion if using shift-and-invert". > > Not sure how to proceed. I do not quite understand this sentence. > You need to know how to choose the shift. So for instance you want the smallest eigenvalues, or the closest to zero, etc. I don't know the options, but they are in the manual. Matt > > Fande, > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
