Special functions
ConceptSKOS conceptSpecial function
Theta function $\theta _{4}(z,q) $
http://libmeta.ru/thesaurus/concept/specfunc_110
Definition
$\theta _{4}(z,q)=1+2\sum_{k=1}^{\infty }(-1)^{k}q^{k^{2}}\cos (2kz) $
Definition article
$\theta _{4}(z,q)=1+2\sum_{k=1}^{\infty }(-1)^{k}q^{k^{2}}\cos (2kz) $
Данные
| notation | specfunc_110 |
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