Approximation of Elliptic Functions by Means of Trigonometric Functions with Applications

Alvaro H. Salas, Lorenzo J. H. Martinez and David L. R. Ocampo R.

Mathematical Problems in Engineering, 2021, vol. 2021, 1-16

Abstract:

In this work, we give approximate expressions for Jacobian and elliptic Weierstrass functions and their inverses by means of the elementary trigonometric functions, sine and cosine. Results are reasonably accurate. We show the way the obtained results may be applied to solve nonlinear ODEs and other problems arising in nonlinear physics. The importance of the results in this work consists on giving easy and accurate way to evaluate the main elliptic functions cn, sn, and dn, as well as the Weierstrass elliptic function and their inverses. A general principle for solving some nonlinear problems through elementary functions is stated. No similar approach has been found in the existing literature.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:5546666

DOI: 10.1155/2021/5546666

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