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davidson - comment

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Jiri Pittner
2025-12-12 14:22:15 +01:00
parent 4500752146
commit 7e90168443
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davidson.h
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@@ -39,6 +39,7 @@ namespace LA {
//@@@small matrix gdiagonalize - shift complex roots up (option to gdiagonalize?) //@@@small matrix gdiagonalize - shift complex roots up (option to gdiagonalize?)
//@@@test gdiagonalize whether it sorts the roots and what for complex ones //@@@test gdiagonalize whether it sorts the roots and what for complex ones
//@@@implement left eigenvectors for nonsymmetric case //@@@implement left eigenvectors for nonsymmetric case
//@@@implement start from larger Krylov space than a single vector - useful for multiroot solutions
//Davidson algorithm: J. Comp. Phys. 17:817 (1975) //Davidson algorithm: J. Comp. Phys. 17:817 (1975)