科研之友
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摘要
The q-analogue of the derivative operator is playing a more and more important role in mathematics and physics. Moreover, the divided difference, as an important and classical mathematical tool with a close relation to the derivative, is also used in many fields. In this paper, the connection between the q-derivative and the divided difference is investigated such that the q-derivative can be understood better. The q-derivative of higher order of a function f can be represented by the divided difference off at some special nodes. Furthermore, the result is used to provide a new and easier proof of q-Leibnitz formula and its generalization.
- 出版日期2011
- 单位浙江工商大学
