a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x
双语例句
The logarithmic function is defined as the inverse of the exponential function. 对数函数是作为指数函数的反函数来定义的。
In this paper, a global inverse theorem is used to obtain the existence and uniquence of the solution for a nonlinear boundary value problem. 本文利用全局反函数定理讨论了一类非线性边值问题解的存在性与唯一性。