LaTeX Forum

\documentclass[12pt]{article}
\usepackage{a4wide}
\usepackage{ae}
\usepackage{algorithm}
\usepackage[noend]{algorithmic}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{array}
\usepackage[german]{babel}
\usepackage{color}
\usepackage{eepic}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage{geometry}
\usepackage{latexsym}
\usepackage[latin1]{inputenc}
\usepackage{makeidx}
\usepackage{multicol}
\usepackage{stmaryrd}
\usepackage{theorem}
\usepackage{wrapfig}
\usepackage{subfigure}
\usepackage{setspace}
\usepackage{titlesec} %Schriftgröße Section

%Seitenlayout
\usepackage{geometry}
\geometry{left=3cm, right=2.5cm, top=3cm, bottom=2cm}

\titleformat{\section}
{\normalfont\Large\bfseries}{\thesection}{1em}{}
\titleformat{\subsection}
{\normalfont\normalsize\bfseries}{\thesubsection}{1em}{}
\titleformat{\subsubsection}
{\normalfont\normalsize\bfseries}{\thesubsubsection}{1em}{}
\titleformat{\paragraph}[runin]
{\normalfont\normalsize\bfseries}{\theparagraph}{1em}{}
\titleformat{\subparagraph}[runin]
{\normalfont\normalsize\bfseries}{\thesubparagraph}{1em}{}


\titlespacing{\subsection}{0cm}{0.5cm}{0cm}
\titlespacing{\subsubsection}{0cm}{0.5cm}{0cm}
\titlespacing{\paragraph}{0cm}{0.5cm}{0cm}

%Schriftart
\usepackage[scaled]{uarial}
\renewcommand*{\familydefault}{\sfdefault}
%\usepackage{cmbright} %Schrift Formel

%Sonderzeichen Deutsch
\usepackage{ngerman}

%URL-einbinden
\usepackage{url}

%Arduino-Procramdoce%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{typearea}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{color}
\usepackage{mwe}
\usepackage{listings}    

%Arduiono-Code implementiereung
\definecolor{mygreen}{rgb}{0,0.6,0}
\definecolor{mygray}{rgb}{0.47,0.47,0.33}
\definecolor{myorange}{rgb}{0.8,0.4,0}
\definecolor{mywhite}{rgb}{0.98,0.98,0.98}
\definecolor{myblue}{rgb}{0.01,0.61,0.98}

\lstset{ %
  backgroundcolor=\color{mywhite},   
  basicstyle=\footnotesize,       
  breakatwhitespace=false,         
  breaklines=true,                 
  captionpos=b,                   
  commentstyle=\color{mygreen},    
  deletekeywords={...},           
  escapeinside={\%*}{*)},          
  extendedchars=true,              
  frame=shadowbox,                    
  keepspaces=true,                 
  keywordstyle=\color{myblack},       
  language=Octave,                
  morekeywords={*,...},            
  numbers=left,                    
  numbersep=5pt,                   
  numberstyle=\tiny\color{mygray}, 
  rulecolor=\color{black},         
  rulesepcolor=\color{myblack},
  showspaces=false,                
  showstringspaces=false,          
  showtabs=false,                  
  stepnumber=2,                    
  stringstyle=\color{myblack},    
  tabsize=2,                       
  title=\lstname           
	%%%%%%%%%%%%%%%%%%%%%%%%%
	
	%PDF
	\usepackage{pdfpages}

%\titlespacing{überschriftenklasse}{linker einzug}{platz oberhalb}{platz unterhalb}[rechter einzug]

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%									               	Macros
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\e}{\mathrm e}
\renewcommand{\j}{\mathrm j}
\newcommand{\da}{\widehat}
\newcommand{\oo}{\mathrm}
\newcommand{\un}{\underline}
\newcommand{\rund}{\approx}
\newcommand{\un}{\underline}

%%--------------------------------------------------------------------------------------
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%--------------------------------------------------------------------------------------
\setcounter{tocdepth}{3}
\sloppy
\parindent0cm
%--------------------------------------------------------------------------------------
%--------------------------------------------------------------------------------------
{\theorembodyfont{\rmfamily} \newtheorem{defi}{Definition}[section]}
{\theorembodyfont{\rmfamily} \newtheorem{bem}[defi]{Bemerkung}}
{\theorembodyfont{\rmfamily} \newtheorem{bsp}[defi]{Beispiel}}
\newtheorem{satz}[defi]{Satz}
\newtheorem{prop}[defi]{Proposition}
\newtheorem{lem}[defi]{Lemma}
\newtheorem{folg}[defi]{Folgerungen}
%--------------------------------------------------------------------------------------
%--------------------------------------------------------------------------------------
%--------------------------------------------------------------------------------------
\begin{document}