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来源：百度知道 编辑：UC知道 时间：2024/06/05 19:38:46
变分法是研究常微分方程边值问题的一种基本方法。是一种把常微分方程边值问题转化为变分问题，以证明解的存在，解的个数以及求近似解的方法。我们主要介绍变分法的由来和它的理论依据以及利用变分法求解的几种方法：里斯方法，伽辽金方法和有限元素法。。。。。翻译为英文？
The Infinitely Dimesional Lie Algebra Admitted by an Ordinary Differential Equation System 翻译为中文？ 请高手来啊！11

Variational method is to study the Boundary Value Problems for a basic method. Is a boundary value problems of ordinary differential equations into variational problems, to prove the existence of solutions. Solutions for the number and approximate solution method. We introduced major changes at the origin of law and its theoretical basis and the use of variational method in several ways : Rees, Galerkin method and the finite element method

Variational method is a basic method to study the Boundary Value Problems.It is a method to get approximate solutions that turning boundary value problems of ordinary differential equations into variational problems, to prove the existence of solutions and the number of solutoins. e origin of law and its theoretical basis and the use of The developement of variational method, the theoretical grounds are introduced and also several method based upon variation method,including Rees, Galerkin Method,Finite Element Method......

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