A hybrid analysis direct method in the calculus of variations

被引:30
作者
Razzaghi, M [1 ]
Marzban, HR
机构
[1] Mississippi State Univ, Dept Math & Stat, Mississippi State, MS 39762 USA
[2] Amirkabir Univ, Dept Math, Tehran, Iran
关键词
calculus of variations; direct method; hybrid functions; Legendre polynomials; block-pulse functions;
D O I
10.1080/00207160008804982
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
This paper presents a direct method for finding the solution of variational problems using a hybrid function. The properties of hybrid functions which consists of block-pulse functions plus Legendre polynomials are presented. An operational matrix of integration and the cross product of two hybrid function vectors are used to reduce a variational problem to the solution of algebraic equation. Illustrative examples are included to demonstrate the validity and applicability of the technique.
引用
收藏
页码:259 / 269
页数:11
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