ultradifferentiable functions

• 超可微函数

ultradifferentiable functions的用法和样例：

例句

1. The approximation of differentiable functions by a kind of interpolatory rational functions is discussed,and the corresponding order of approximation is obtained.
   讨论了一类插值有理函数对可微函数的逼近，得到了相应的逼近阶。