\topmargin -1.5cm
\oddsidemargin 0.2cm
\textheight 24cm
\textwidth 16cm
\parindent 0cm

%\renewcommand{\baselinestretch}{1.15}
%\setlength{\parskip}{1pt}


\def\noi{\noindent}
\def\sm {\smallskip}
\def\ms {\medskip}
\def\bs {\bigskip}



\usepackage[spanish]{babel}
\usepackage[latin1]{inputenc}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsmath}



\newcount\ejno
\def\ejer{ \removelastskip \bigskip\bigskip
\global\advance\ejno by 1 \noi {\bf Ejercicio \the\ejno.} }
\def\ejerdif{ \removelastskip \bigskip\smallskip
\global\advance\ejno by 1 \noi {\bf $(*)$Ejercicio \the\ejno.} }

\newcommand{\Strichq}  {\vrule height0.65em width0.05em depth0em \,}
\newcommand\C{\mathbb{C}}
\newcommand\N{\mathbb{N}}
\newcommand\Q{\mathbb{Q}}
\newcommand\R{\mathbb{R}}
\newcommand\Z{\mathbb{Z}}
\newcommand\F{\mathcal{F}}
\newcommand\eps{\varepsilon}
%\newcommand{\dfrac}{\displaystyle\frac}


%\def\Q{{\mbox{\rm Q}\hspace{-0.54em}\Strichq\>\,}}
%\def\Q{{\rm Q}\!\!\!\vrule height 7.7pt depth -0.4pt width 1pt \  }
%\def\R{{\rm I}\!{\rm R}}
%\def\Z{{\rm Z}\!\!{\rm Z}}
%\def\N{{{\rm I}\!{\rm N}}}
%\def\C{{\rm C} \!\!\!\vrule height 6.4pt depth -0.4 pt width 1pt \  }


\def\v{\varphi}
\def\ch{{\cal X}}
\def\sen{{\rm sen}\,}
\def\cos{{\rm cos}\,}

\newcommand{\dps}{\displaystyle}
\newcommand{\tq}{\ / \ }

\renewcommand{\epsilon}{\varepsilon}

%%%%%%%%% ENCABEZAMIENTO DE PRACTICAS
\newcommand{\encabezado}[2]
{\noindent{{\scriptsize\sc C\'alculo Avanzado}}
\hfill{{\scriptsize\sc 
Segundo Cuatrimestre de 2011}}
%\sm
\begin{center} \large\sc{Pr\'actica #1 -#2- }\end{center} }%\noindent\hrulefill }  


%%%%%%%%%% TEMA NUEVO 
\newcommand{\linea}[1] 
{\bigskip
\noindent\hrule \begin{center} \bf {\large #1} \end{center} \noindent\hrule 
}                       



