DLMF:8.19.E23 (Q2709): Difference between revisions

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Property / constraint
 

| ph z | < π phase 𝑧 𝜋 {\displaystyle{\displaystyle|\operatorname{ph}z|<\pi}}

|\phase@@{z}|<\pi
Property / constraint: | ph z | < π phase 𝑧 𝜋 {\displaystyle{\displaystyle|\operatorname{ph}z|<\pi}} / rank
 
Normal rank

Revision as of 16:12, 30 December 2019

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DLMF:8.19.E23
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    Statements

    z E p - 1 ( t ) d t = E p ( z ) , superscript subscript 𝑧 exponential-integral-En 𝑝 1 𝑡 𝑡 exponential-integral-En 𝑝 𝑧 {\displaystyle{\displaystyle\int_{z}^{\infty}E_{p-1}\left(t\right)\mathrm{d}t=% E_{p}\left(z\right),}}
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    | ph z | < π phase 𝑧 𝜋 {\displaystyle{\displaystyle|\operatorname{ph}z|<\pi}}
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