The following statement is proved. If the q-derivative operator Dq is defined by [formula] for functions f(hook) which are differentiable at x = 0, then we have for every positive integer n[formula] for every function f(hook) whose nth derivative at x = 0 exists. We give a proof in both the real variable and the complex variable case. © 1993 Academic Press, Inc.
CITATION STYLE
Koekoek, J., & Koekoek, R. (1993). A Note on the q-Derivative Operator. Journal of Mathematical Analysis and Applications, 176(2), 627–634. https://doi.org/10.1006/jmaa.1993.1237
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