Difference between revisions of "Exponential"

From specialfunctionswiki
Jump to: navigation, search
Line 5: Line 5:
 
<div align="center">
 
<div align="center">
 
<gallery>
 
<gallery>
File:Exponentialplot.png|Graph of $\exp$ on $[-3,3]$.
+
File:Exponentialplot.png|Graph of $\exp$.
 
File:Complexexponentialplot.png|[[Domain coloring]] of $\exp$.
 
File:Complexexponentialplot.png|[[Domain coloring]] of $\exp$.
 
</gallery>
 
</gallery>

Revision as of 03:52, 6 June 2016

The exponential function $\exp \colon \mathbb{C} \rightarrow \mathbb{C}$ is defined by the formula $$\exp(z) = e^z = \sum_{k=0}^{\infty} \dfrac{z^k}{k!},$$ where $e$ is the base of the natural logarithm.

Properties

Derivative of the exponential function
Taylor series of the exponential function
Exponential in terms of hypergeometric 0F0
Euler E generating function
Continued fraction for 1/sqrt(pi) integral from -infinity to infinity of e^(-t^2)/(z-t) dt