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

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The $q$-exponential $e_q$ is defined by the formula
 
The $q$-exponential $e_q$ is defined by the formula
$$e_q(z) =  
+
$$e_q(z) = $$
  
 
=Properties=
 
=Properties=
 
{{:Q-Euler formula for e sub q}}
 
{{:Q-Euler formula for e sub q}}

Revision as of 17:50, 20 May 2015

The $q$-exponential $e_q$ is defined by the formula $$e_q(z) = $$

Properties

Theorem

The following formula holds: $$e_q(iz)=\cos_q(z)+i\sin_q(z),$$ where $e_q$ is the $q$-exponential $e_q$, $\cos_q$ is the $q$-$\cos$ function and $\sin_q$ is the $q$-$\sin$ function.

Proof

References