Tex file for Matlab exports

\documentclass[crop=true]{standalone}

\pagestyle{empty}

\usepackage[cmex10]{amsmath}
\usepackage{amssymb}

\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\pgfplotsset{plot coordinates/math parser=false}
\newlength\figureheight
\newlength\figurewidth

\begin{document}
\input{texfig.tex}
\end{document}