Special functions
ConceptSKOS conceptSpecial function
Exponential integral
http://libmeta.ru/thesaurus/concept/specfunc_91
Definition
$\func{Ei}(z)=\int_{-\infty }^{z}\frac{e^{t}}{t}dt $
Definition article
$\func{Ei}(z)=\int_{-\infty }^{z}\frac{e^{t}}{t}dt $
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| notation | specfunc_91 |
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