# Autofit for inline equations

I am trying to use an inline equation to list bunch o tuples. However, I it does not automatically go to next line. I am doing it manually, but this time it looks ugly. By the way I am writing in a two column template, so I have limited space at each line. Here is what I do:

${x_i,\;y_i }$= ${{60,45},\; {60,90},\;{60,135},\;{60,180},\;{60,225},\; \ {100,90},\; {100,160},\;{100,225}}$

Is there a way to automatically do this?

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You have to distinguish which commas are eligible for breaks; so I suggest a command for it:

\documentclass[twocolumn,12pt]{article}
\newcommand{\bc}{,\penalty0 \;}

\begin{document}
$x_i,y_i=60,45\bc 60,90\bc 60,135\bc 60,180\bc 60,225\bc 100,90\bc 100,160\bc 100,225$
\end{document}


Don't overuse \; (it's wrong between x_i and y_i) and also braces: the ones you have in your example are all useless.

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the \; before the penalty will leave a space at the end of the line if it's broken there. it would be better to put the penalty before the space. (tested; space at the beginning of line is ignored after break.) –  barbara beeton Sep 30 '12 at 13:03
@barbarabeeton You're right, of course. –  egreg Sep 30 '12 at 13:05