Formula:1711

Digital Library of Mathematical Functions ID 4.9.E5

${\displaystyle{\displaystyle e_{n}(z)=\sum_{k=0}^{n}\frac{z^{k}}{k!}.}}$

Symbols List

• ${\displaystyle{\displaystyle!}}$:
• ${\displaystyle{\displaystyle k}}$: integer
• ${\displaystyle{\displaystyle n}}$: integer
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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