Graphics, Figures & Tables ⇒ Line break for Equation inside a Figure Caption

[FluxCapacitor]

I have a caption for a figure:

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\caption{This is some text. Here $a_{\text{perpendicular}} / a_{\text{in-plane}}$ = 1.}

But, I get error "Underfull \hbox (badness 2671) in paragraph". Which, as I understand it occurs because the equation is too long to fit on the line and when it gets shifted to the next line, it leaves too much white space in the previous line.

So I'm wondering, how can I break up the equation so that "$a_{\text{perpendicular}} /" appears on one line in the caption and the rest appears on the next line. Thanks!

[Stefan Kottwitz]

Hi,

welcome to the board!

You could insert \allowbreak right after the /, such as

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\caption{This is some text. Here $a_{\text{perpendicular}} /\allowbreak a_{\text{in-plane}}$ = 1.}

Stefan