| 释义 |
函数hánshù在某一变化过程中,两个变量x、y,对于某一范围内的x的每一个值, y都有确定的值和它对应, y就是x的函数。这种关系一般用y=f(x)来表示。{function; two variables x and y related to each other so that for each value assumed by x there is a value determined for y, and y is called a function of x, usu. expressed in the equation y=f(x)} |