formulation of the problem meaning in English

提出问题

Firstly the formulation of the problems is given , and then the existence and uniqueness of solutions for the problems are proved by using a new complex analytic method
先给出斜微商问题的提法和解的表示式，然后采用复分析方法，证明了上述问题解的存在唯一性。
In section 2 , a certain linear fractional bilevel programming problem ( lfbp ) is introduced and studied in which the leader ' s objective function is a linear fractional function and the leader ' s constraints are linear , and the follower ' s programming is a linear programming with parameters . it is proved that , under certain conditions , the existences of the optimal solution to the problem ( lfbp ) . under a fairly week condition , some results are explored concerned with an exact penalty function formulation of the problem ( lfbp )
首先给出了一些预备知识，并证明了在一定的条件下，问题( lfbp )解存在；然后在较弱的条件下给出了问题( lfbp )的一些有关恰当罚函数的结果；接着总结了问题( lfbp )的一些有关lagrange对偶的结果；最后利用例子说明了前面给出的结果，并通过例子说明所用的假设条件确实比现有常用的假设条件更弱。