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robert-anderson
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Hello, here I have made a simple generalization to compute multiple extremal eigenvalues and eigenvectors in the LambdaLanczos::run method while retaining the original interface as an overload.
Best wishes,
Robert Anderson

@mrcdr
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mrcdr commented May 17, 2021

Thank you for your pull request (and sorry for my late reply, notification didn't come somehow).

If it is not too much trouble for you, could you resend the pull request to develop branch? It will be better to manage the library.

Finally, we may have to take care of degenerated eigenvalue case. In principle, Lanczos iteration must be restarted to calculate degenerated eigenvalues.

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mrcdr commented May 23, 2021

I merge this pull request to the develop branch manually (just for my own reason, don' mind!). Your change will be reflected to the master branch after some changes (e.g. adding a test code).
Thank you again for your improvement!

@mrcdr mrcdr merged commit ddff8ad into mrcdr:master May 23, 2021
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2 participants