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File:BracketingE1.png

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Summary

Description

Illustration of bracketing

of the exponential integral (black) with elementary functions (blue) and

(red).
Date
Source Own work
Author Domitori

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Date/TimeThumbnailDimensionsUserComment
current23:36, 4 February 2008Thumbnail for version as of 23:36, 4 February 20081,110 × 1,110 (51 KB)Domitori{{Information |Description=Illustration of bracketing :<math> \frac{\exp(-x)}{2}\!~\ln\!\left(1+\frac{2}{x}\right) <{\rm E}_1(x)< \exp(-x)\!~\ln\!\left(1+\frac{1}{x} \right) ~~~,~~~~~x\!>\!0</math> of the w:exponential integral <math}~{\rm E}_1(x)~</m

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