Difference between revisions of "Q-exponential e sub q"

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[http://www2.math.uu.se/research/pub/Ernst4.pdf The History of q-Calculus and a New Method]<br />
 
  
 
[[Category:SpecialFunction]]
 
[[Category:SpecialFunction]]

Revision as of 18:46, 18 December 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

Q-Euler formula for e sub q

References