I have an issue using split
inside an empheq
environment.
When combining both environments, the alignment of the empheq
is broken.
Any clues ?
If this is a duplicate or an obvious/known incompatibility, my apologies in advance.
\documentclass[]{article}
\usepackage{amsmath}
\usepackage{mathtools}
\usepackage{empheq}
\begin{document}
Equations that can fit
\begin{empheq}[left=\empheqlbrace]{align}
& aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\
& bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
\end{empheq}
Equations that can't
\begin{empheq}[left=\empheqlbrace]{align}
& aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\
& bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
\end{empheq}
So I split the first equation
\begin{empheq}[left=\empheqlbrace]{align}
& \begin{split}
& aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\
& aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
\end{split}\\
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
a\end{empheq}
\end{document}
&
but in the third equation there is no&
before bbbbb so it comes to the left of the aaaa as the split is after a&
algin
instead ofempheq
, it is caused by the missing&
as @DavidCarlisle mentioned. And you'll have to remove the&
prior tosplit
.