Abstract : this paper discusses the conditional problem of the higher order derivatives depending on more than one function , sovles conditional problem of variation of definite integral constraint by using lagrange ' s method of multipliers , and studies the conditional problem of variation of more than one definite integral constrains 文摘:讨论依赖于多个函数的高阶导函数的泛函的变分问题,并且利用拉格朗日乘子法讨论此类泛函的一种书有定积分约束的条件变分问题的解法.最后讨论有多个定积分约束的条件变分问题
This paper discusses the conditional problem of the higher order derivatives depending on more than one function , sovles conditional problem of variation of definite integral constraint by using lagranges method of multipliers , and studies the conditional problem of variation of more than one definite integral constrains 讨论依赖于多个函数的高阶导函数的泛函的变分问题,并且利用拉格朗日乘子法讨论此类泛函的一种书有定积分约束的条件变分问题的解法.最后讨论有多个定积分约束的条件变分问题