I was trying to make something like this

(something similar to \substack in \sum) in equation. How to do this ?


You should place the expression in the subscript, as shown below. Most LaTeX books explain this.



Display mode: \[ \max_{1 \leq j \leq n} \]

Inline mode: $\max_{1 \leq j \leq n}$, $\max\limits_{1 \leq j \leq n}$.


Note how I used \limits to force the subscript under the operator in inline mode (if you think you need \limits, think again — maybe the defaults look better after all!).

If you find that the subscripted expression is too long and introduces excessive whitespace, use the \smashoperator macro from the mathtools package.

  • ah thanks, I thought it was limited to \sum command only. Silly me. – Yumyai Mar 11 '11 at 10:07

Solved this for Inline mode by using $\underset{1 \leq j \leq n}{\max}$, however this approach requires the amsmath package.

  • 8
    This is particularly useful when using user defined operators. $\operatorname{Res}\limits_{z=z_{0}}$ will not give you the desired result, whilst $\underset_{z=z_{0}}{\operatorname{Res}}$ will. – Alfredo Hernández Oct 23 '14 at 17:56
  • This is also useful when you want to put a subscript under something LaTeX doesn't think is a math operator (like that's a meaningful distinction), and therefore prevents the use of \limits. – Richard Rast Nov 14 '14 at 14:45
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    @AlfredoHernández I think \operatorname* is the way to go for \limits-compatible custom math operators. – Andras Deak Feb 21 '16 at 20:01

I would solve it like this:

    \max\limits_{1\leq j\leq n}
  • 8
    In display math, there's no need to use \limits. – Hendrik Vogt Mar 11 '11 at 9:07
  • 1
    @Hendrik Vogt: That's good to know. – meep.meep Mar 11 '11 at 9:12

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