I would like to add the size of the subscript p_i in the math form here:

  • Please tell us which font family you use.
    – Mico
    Commented Jun 7, 2015 at 17:56
  • @Mico: thanks for the reply. It's an IEEEtran confrence paper. i do not know the font family.
    – Ben Bost
    Commented Jun 7, 2015 at 19:01

1 Answer 1


In the formula $loc_{p_i}$, the character i is rendered in scriptscriptstyle. In contrast, in the formula ${loc_p}_i$, the i rendered in scriptstyle. (p is rendered in scriptstyle in both formulas.) I assume it's ${loc_p}_i$ you're looking for.

enter image description here

$loc_{p_i}$ vs.\ ${loc_p}_i$

Syntactically, the two formulas are not quite the same: in the first formula, p_i is a subscript to loc, whereas in the second i is a subscript to loc_p.

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