By Richard Bellman
This three-part graduate-level remedy starts with classical perturbation strategies, discussing the Lagrange growth theorem, matrix exponential, invariant imbedding, and dynamic programming. the second one half concentrates on equations, proposing renormalization recommendations of Lindstedt and Shohat and averaging recommendations by way of Bellman and Richardson. The concluding bankruptcy specializes in second-order linear differential equations, illustrating purposes of the WKB-Liouville process and asymptotic sequence. routines, reviews, and an annotated bibliography keep on with every one demonstration of procedure. A direction in intermediate calculus and a uncomplicated realizing of standard differential equations are must haves. 1966 ed. 7 figures.
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