DLMF:6.4.E1

MaRDI QIDQ2932

• Label: DLMF:6.4.E1

Digital Library of Mathematical Functions ID 6.4.E1

${\displaystyle{\displaystyle E_{1}\left(z\right)=\mathrm{Ein}\left(z\right)-\operatorname{Ln}z-\gamma;}}$

Symbols List

• ${\displaystyle{\displaystyle\gamma}}$: Euler’s constant
• ${\displaystyle{\displaystyle\mathrm{Ein}\left(\NVar{z}\right)}}$: complementary exponential integral
• ${\displaystyle{\displaystyle E_{1}\left(\NVar{z}\right)}}$: exponential integral
• ${\displaystyle{\displaystyle\operatorname{Ln}\NVar{z}}}$: general logarithm function
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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