1

This question already has an answer here:

how do i center the limits for multiple sum like what we usually do for integral ,,, in other way, is there command like \idotsint for sum?

for example:

\sum\cdots\sum\limits_{n_1^2+n_2^2+...+n_N^2<\lambda}

marked as duplicate by skpblack, Mensch, Community Aug 25 '17 at 2:35

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • One question at a time please. – Masroor Aug 25 '17 at 1:06
  • Welcome! Please make your code compilable. – cfr Aug 25 '17 at 1:12
  • sorry but it is one question, so, is there answer for it plz – Ehab Jad Aug 25 '17 at 1:17
  • one question with two different problems ... but more important is: provide complete small document beginning with\documentclass{...}and with \end{document} on the end. – Zarko Aug 25 '17 at 1:23
  • Related: Command for argmin or argmax? – Werner Aug 25 '17 at 2:05
1

There is now....

enter image description here

\documentclass{article}

\usepackage{amsmath}
\DeclareMathOperator*{\sdotsum}{\sum\cdots\sum}

\begin{document}
    \[
\sdotsum\limits_{n_1^2+n_2^2+...+n_N^2<\lambda}
    \]
\end{document}

Not the answer you're looking for? Browse other questions tagged or ask your own question.