Import Matlab to LaTeX

import_matlab.tex

% https://www.ctan.org/pkg/listings
\usepackage[procnames]{listings}

\usepackage{color} %red, green, blue, yellow, cyan, magenta, black, white
\definecolor{mygreen}{RGB}{28,172,0} % color values Red, Green, Blue
\definecolor{mylilas}{RGB}{170,55,241}

% Python style for highlighting
\newcommand\matlabstyle{\lstset{
  language=Matlab
  breaklines=true,%
  morekeywords={matlab2tikz},
  keywordstyle=\color{blue},%
  morekeywords=[2]{1}, keywordstyle=[2]{\color{black}},
  identifierstyle=\color{black},%
  stringstyle=\color{mylilas},
  commentstyle=\color{mygreen},%
  showstringspaces=false,%without this there will be a symbol in the places where there is a space
  numbers=left,%
  numberstyle={\tiny \color{black}},% size of the numbers
  numbersep=9pt, % this defines how far the numbers are from the text
  emph=[1]{for,end,break},emphstyle=[1]\color{red}, %some words to emphasise
  %emph=[2]{word1,word2}, emphstyle=[2]{style},
}}

% Matlab environment
\lstnewenvironment{matlab}[1][]
{
\matlabstyle
\lstset{
#1,literate={ö}{{\"o}}1
            {ä}{{\"a}}1
            {å}{{\aa}}1
            {Å}{{\AA}}1
            {Ä}{{\"A}}1
            {Ö}{{\"O}}1
            {~}{{\tilde}}1
            {é}{{\´{e}}}1
            {É}{{\´{E}}}1
}
}
{}

% Matlab for external files
\newcommand\matlabexternal[2][]{{
\matlabstyle
\lstinputlisting[#1]{#2}}}

% Matlab for inline
\newcommand\matlabinline[1]{{\matlabstyle\lstinline!#1!}}