离散变分法的 Helmholtz 逆问题
动力系统
2016-01-14 v2
摘要
我们推导了经典 Helmholtz 条件的离散版本。确切地说,我们陈述了一个刻画允许 Lagrangian 表述的二阶有限差分方程的定理。此外,在肯定的情形下,我们给出了所有可能的 Lagrangian 表述的类。
引用
@article{arxiv.1203.1209,
title = {Helmholtz's inverse problem of the discrete calculus of variations},
author = {Loïc Bourdin and Jacky Cresson},
journal= {arXiv preprint arXiv:1203.1209},
year = {2016}
}
备注
This is a preprint of a paper whose final and definite form is published in Journal of Difference Equations and Applications