Example of Power Series

by waterfall
Tags: power, series
waterfall is offline
Feb14-12, 05:15 PM
P: 381
Hi, can anyone please give a simple example of Power Series used in Perturbation Theory? I mean an actual example of a simple case to illustrate what it's doing? I don't have any background in math and can't understand most sites that use calculus. So just want an example of the idea behind it. Thanks.
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