Comments on the paper ‘‘On the WKBJ approximation’’ [J. Math. Phys. 2 8, 556 (1987)]

DOI10.1063/1.527988zbMath0645.34050OpenAlexW1628395963MaRDI QIDQ3788346

Nanny Fröman, Per Olof Fröman

Publication date: 1988

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.527988

Mathematics Subject Classification ID

Theoretical approximation of solutions to ordinary differential equations (34A45) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20)

Cites Work

• A direct method for modifying certain phase-integral approximations of arbitrary order
• Computation of a class of functions useful in the phase-integral approximation. I: Results
• On the WKBJ approximation

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