Functional languages get their name from the concept that programs should behave like mathematical functions; in other words, given a set of inputs, a function should always return the same output.

函数语言的名称源于这样一种概念：程序行为应该像数学函数一样；换句话说，给定一组输入，函数应始终返回相同的输出。

youdao

An entropy function method for solving mathematical programs with equilibrium constraints (MPEC) is proposed in this paper.

提出求解含平衡约束数学规划问题(简记为MPEC问题)的熵函数法。

youdao