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What is the nicest way to prevent the "floor brackets" from touching in this example?

enter image description here

\alpha=
\begin{cases}
\left\lfloor \frac{(a_1+b_1)^2}{4} \right\rfloor & x \\
\left\lfloor \frac{(a_2+b_2)^2}{4} \right\rfloor & y \\
\end{cases}

This is a minimal example. The real example also has fractions where the numerator is a square of some subscripted terms.

I could use \bigl and \bigr but then the brackets look a bit short.

Szabolcs
  • 2,685
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    This works correctly for your question: `\documentclass[a4paper,12pt]{article} \usepackage{mathtools,amssymb}

    \begin{document} [\alpha= \begin{cases} \left\lfloor \frac{(a_1+b_1)^2}{4} \right\rfloor & x \[.7em]%%%%%<----it is a good measure. \left\lfloor \frac{(a_2+b_2)^2}{4} \right\rfloor & y \end{cases}] \end{document}`

     – Sebastiano Aug 01 '20 at 11:40
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    @Sebastiano Yep, found it shortly after I posted the question, so I voted to close as duplicate of a QA suggestion the same. Thank you! – Szabolcs Aug 01 '20 at 12:02
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    Don't worry, :-) :-) ....you're welcome. I have not read the link. – Sebastiano Aug 01 '20 at 12:05

0 Answers0