Difference between revisions of "E"
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(Created page with "The number $e$ can be defined in the following way: let $f$ be the unique solution of the initial value problem $$y'=y;y(0)=1,$$ then $e=f(1)$.") |
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$$y'=y;y(0)=1,$$ | $$y'=y;y(0)=1,$$ | ||
then $e=f(1)$. | then $e=f(1)$. | ||
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| + | =References= | ||
| + | [http://eulerarchive.maa.org/hedi/HEDI-2006-02.pdf Who proved $e$ is irrational?] | ||
Revision as of 02:26, 3 October 2014
The number $e$ can be defined in the following way: let $f$ be the unique solution of the initial value problem $$y'=y;y(0)=1,$$ then $e=f(1)$.
