The demand for health services is a function of many variables.
卫生服务需求量是一系列变量的函数。
Solving Derivation Problem of Power Exponential Function of N Variables from the Point of View of the Function of Many Variables;
对幂指函数的求导法则做了进一步推广，并给出了相应的求导举例。
Seeking the maximum and minimum of function is the perpetual topic in the medium-sized mathematics, and the function of many variables are difficulties.
求最值问题是中等数学永恒的话题，其中，多元函数求最值是难点。
应用推荐