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Perturbation Theory for Ratios in Linear and Nonlinear Problems

Martin Becker

Nuclear Science and Engineering / Volume 62 / Number 2 / February 1977 / Pages 296-301

Technical Paper / dx.doi.org/10.13182/NSE77-A26964

Perturbation theory for ratios is considered for a variety of problem classes. Problems with feedback (nonlinearities) are treated. Equivalence relationships between conventional and generalized perturbation theory are identified for certain types of situations.