function of several variables

• 多元函数

function of several variables的用法和样例：

例句

1. Functor takes a binary function and two unary functions as input.
   仿函数取一个二元函数和两个一元函数作为输入。
2. A tabulation of a function of two variables is cumbersome, but possible.
   二元函数的列表法是不方便的，然而是可能的。