MathJax – How to Adjust Bracket Sizes for Binomial Coefficients in Inline Mode

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While using MathJax to typeset binomial coefficients, I came across this problem of different sized brackets if my lower index contains the '0' character. Is there anyway to make the brackets the same size?

Binomial Coefficients Brackets

Best Answer

Here's a LaTeX-based solution. The macro \mychoose should be used only in "text-style" math mode. (I trust it's not too difficult to adapt it to MathJax.)

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\documentclass{article}
\usepackage[euler-digits]{eulervm}
\newcommand{\mychoose}[2]{\bigl({{#1}\atop#2}\bigr)}
\begin{document}
$\sum_{k=0}^n \mychoose{n}{k}=\mychoose{n}{0}+\cdots+\mychoose{n}{n}.$
\end{document}

Addendum: If you want square brackets instead of round parentheses, simply adjust the code in the \mychoose macro.

Related Solutions

[Tex/LaTex] Adding horizontal space between fraction in mathjax latex code

TeX and MathJax are not clairvoyant. If you tell them to typeset one fraction, they happily comply. But one fraction will have just one fraction line.

Your formula should be typeset as three separated fractions:

\frac{1}{2} \frac{eV}{md} \frac{x^{2}}{v^{2}}

or, maybe better,

\frac{1}{2} \, \frac{eV}{md} \, \frac{x^{2}}{v^{2}}

(spaces are optional, but make for good reading).

enter image description here

This is a MathJax rendering of the same:

enter image description here

but remember this is browser and machine dependent.

Using {1\over 2} is deprecated in LaTeX, so, unless you use Plain TeX for your documents, it's better to use \frac also in MathJax. There would be no advantage with it, because \over makes just one fraction line, just like \frac.

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Related Solutions

[Tex/LaTex] Adding horizontal space between fraction in mathjax latex code

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