Physical Review

A Variation Principle for Eigenfunctions

Lawrence C. Biedenharn, John M. Blatt

Published Jan 1, 1954• 13 citations

Abstract

The usual Rayleigh-Ritz variation principle for eigenvalues is extended to give a variation principle for the eigenfunctions themselves.Received 1 September 1953DOI:https://doi.org/10.1103/PhysRev.93.230©1954 American Physical Society

DOI: 10.1103/physrev.93.230

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