Difference between revisions of "Q-exponential e sub q"
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Revision as of 00:42, 11 June 2016
The $q$-exponential $e_q$ is defined for $0 < |q| <1$ and $|z|<1$ by the formula $$e_q(z) =\displaystyle\sum_{k=0}^{\infty} \dfrac{z^k}{(q;q)_k},$$ where $(q;q)_k$ denotes the q-Pochhammer symbol. Note that this function is different than the $q$-exponential $e_{\frac{1}{q}}$.
Properties
Exponential e in terms of basic hypergeometric phi
