In this paper, the concept of subderivative is proposed. The subderivatives have property of interval.

本文提出次导数概念，次导数具有区间的性质并且对计算是十分方便的。

youdao

In this paper, the concept of subderivative is proposed. The subderivatives have property of interval.

本文提出次导数概念，次导数具有区间的性质并且对计算是十分方便的。

youdao