Formula:3401

Digital Library of Mathematical Functions ID 8.19.E17

${\displaystyle{\displaystyle E_{p}\left(z\right)=e^{-z}\left(\cfrac{1}{z+\cfrac{p}{1+\cfrac{1}{z+\cfrac{p+1}{1+\cfrac{2}{z+\cdots}}}}}\right),}}$

Constraint(s)

${\displaystyle{\displaystyle|\operatorname{ph}z|<\pi}}$

Symbols List

• ${\displaystyle{\displaystyle\pi}}$: the ratio of the circumference of a circle to its diameter
• ${\displaystyle{\displaystyle\mathrm{e}}}$: base of natural logarithm
• ${\displaystyle{\displaystyle E_{\NVar{p}}\left(\NVar{z}\right)}}$: generalized exponential integral
• ${\displaystyle{\displaystyle\operatorname{ph}}}$: phase
• ${\displaystyle{\displaystyle z}}$: complex variable
• ${\displaystyle{\displaystyle p}}$: parameter
 

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