add missing ref to a.zeta(b)

This commit is contained in:
Gael Guennebaud 2018-11-09 13:53:42 +01:00
parent dffd1e11de
commit fbd6e7b025

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@ -507,7 +507,8 @@ This also means that, unless specified, if the function \c std::foo is available
<tr>
<td class="code">
\anchor cwisetable_zeta
\link Eigen::zeta zeta\endlink(a,b);
\link Eigen::zeta zeta\endlink(a,b); \n
a.\link ArrayBase::zeta zeta\endlink(b);
</td>
<td><a href="https://en.wikipedia.org/wiki/Hurwitz_zeta_function">Hurwitz zeta function</a>
\n \f$ \zeta(a_i,b_i)=\sum_{k=0}^{\infty}(b_i+k)^{\text{-}a_i} \f$</td>