$ M E^{ij} = M\begin{bmatrix} e_1 & e_2 & \cdots & e_{i-1} & e_j & e_{i+1} & \cdots & e_{j-1} & e_i & e_{j+1} & \cdots & e_{m-1} & e_{m} \end{bmatrix}$
The rendered equation mysteriously pushes the last three elements onto a new row.
How do I fix this?
\documentclass{...}and ending with\end{document}. – Skillmon May 07 '18 at 11:54\setcounter{MaxMatrixCols}{20}in the preamble. – M. Logic May 07 '18 at 12:50