Exponential integral · LibMeta · SciLib
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 $

Данные

notationspecfunc_91

formula