Implement harmonic ritzvalues

NLESC-JCER / spectra

A header-only C++ library for large scale eigenvalue problems

https://spectralib.org

Mozilla Public License 2.0

0 stars 0 forks source link

Implement harmonic ritzvalues #31

Open JensWehner opened 3 years ago

JensWehner commented 3 years ago

So far only the case of exterior eigenvalues has been looked at. For interior eigenvalues, harmonic ritzvalues help convergence. So these have to be implemented

JensWehner commented 3 years ago

http://stoppels.blog/posts/harmonic-ritz-values-visualized

https://www.win.tue.nl/~hochsten/pdf/harmpoly.pdf