Differential and Integral Equations

Asymptotic approximation for matrix differential equations and applications

Uri Elias and Harry Gingold

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Abstract

The Liouville-Green (WKB) approximation is generalized to a matrix differential equation with an analytic, symmetric matrix coefficient. Some applications to oscillation problems are given.

Article information

Source
Differential Integral Equations, Volume 10, Number 1 (1997), 137-152.

Dates
First available in Project Euclid: 6 May 2013

Permanent link to this document
https://projecteuclid.org/euclid.die/1367846887

Mathematical Reviews number (MathSciNet)
MR1424802

Zentralblatt MATH identifier
0879.34055

Subjects
Primary: 34E10: Perturbations, asymptotics
Secondary: 34A30: Linear equations and systems, general 34C10: Oscillation theory, zeros, disconjugacy and comparison theory 34E20: Singular perturbations, turning point theory, WKB methods

Citation

Elias, Uri; Gingold, Harry. Asymptotic approximation for matrix differential equations and applications. Differential Integral Equations 10 (1997), no. 1, 137--152. https://projecteuclid.org/euclid.die/1367846887


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