DLMF:6.5.E2 (Q2242): Difference between revisions

Revision as of 01:23, 2 January 2020

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Language	Label	Description	Also known as
English	DLMF:6.5.E2	No description defined

{\displaystyle{\displaystyle\mathrm{Ei}\left(x\right)=-\tfrac{1}{2}(E_{1}\left% (-x+i0\right)+E_{1}\left(-x-i0\right)),}}

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DLMF:6.5.E2

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{\displaystyle{\displaystyle E_{1}\left(\NVar{z}\right)}}

C6.S2.E1.m2aadec

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@@ Property / Symbols used @@
+exponential integral
@@ Property / Symbols used: exponential integral / rank @@
+Normal rank
@@ Property / Symbols used: exponential integral / qualifier @@
+Defining formula:  ${\displaystyle{\displaystyle E_{1}\left(\NVar{z}\right)}}$ 
\expintE@{\NVar{z}}
@@ Property / Symbols used: exponential integral / qualifier @@
+xml-id: C6.S2.E1.m2aadec