Difference between revisions of "Q-derivative"

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* {{PaperReference|q-exponential and q-gamma functions. I. q-exponential functions|1994|D.S. McAnally|next=findme}} $(2.1)$

Revision as of 19:26, 18 December 2016

The $q$-derivative is defined by $$\dfrac{\mathrm{d}_qf}{\mathrm{d}_qz}=\left\{ \begin{array}{ll} \dfrac{f(qz)-f(z)}{qz-z}, & \quad z \neq 0 \\ f'(0), & \quad z=0, \end{array} \right.$$ where $f'(0)$ denotes the derivative.

Properties

Relationship between q-derivative and derivative
q-derivative power rule

References