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%% This is the automatic preamble used by IPython. Note that it does *not*
%% include a documentclass declaration, that is added at runtime to the overall
%% document.
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{ucs}
\usepackage[utf8x]{inputenc}
% needed for markdown enumerations to work
\usepackage{enumerate}
% Slightly bigger margins than the latex defaults
\usepackage{geometry}
\geometry{verbose,tmargin=3cm,bmargin=3cm,lmargin=2.5cm,rmargin=2.5cm}
% Define a few colors for use in code, links and cell shading
\usepackage{color}
\definecolor{orange}{cmyk}{0,0.4,0.8,0.2}
\definecolor{darkorange}{rgb}{.71,0.21,0.01}
\definecolor{darkgreen}{rgb}{.12,.54,.11}
\definecolor{myteal}{rgb}{.26, .44, .56}
\definecolor{gray}{gray}{0.45}
\definecolor{lightgray}{gray}{.95}
\definecolor{mediumgray}{gray}{.8}
\definecolor{inputbackground}{rgb}{.95, .95, .85}
\definecolor{outputbackground}{rgb}{.95, .95, .95}
\definecolor{traceback}{rgb}{1, .95, .95}
% Framed environments for code cells (inputs, outputs, errors, ...). The
% various uses of \unskip (or not) at the end were fine-tuned by hand, so don't
% randomly change them unless you're sure of the effect it will have.
\usepackage{framed}
% remove extraneous vertical space in boxes
\setlength\fboxsep{0pt}
% codecell is the whole input+output set of blocks that a Code cell can
% generate.
% TODO: unfortunately, it seems that using a framed codecell environment breaks
% the ability of the frames inside of it to be broken across pages. This
% causes at least the problem of having lots of empty space at the bottom of
% pages as new frames are moved to the next page, and if a single frame is too
% long to fit on a page, will completely stop latex from compiling the
% document. So unless we figure out a solution to this, we'll have to instead
% leave the codecell env. as empty. I'm keeping the original codecell
% definition here (a thin vertical bar) for reference, in case we find a
% solution to the page break issue.
%% \newenvironment{codecell}{%
%% \def\FrameCommand{\color{mediumgray} \vrule width 1pt \hspace{5pt}}%
%% \MakeFramed{\vspace{-0.5em}}}
%% {\unskip\endMakeFramed}
% For now, make this a no-op...
\newenvironment{codecell}{}
\newenvironment{codeinput}{%
\def\FrameCommand{\colorbox{inputbackground}}%
\MakeFramed{\advance\hsize-\width \FrameRestore}}
{\unskip\endMakeFramed}
\newenvironment{codeoutput}{%
\def\FrameCommand{\colorbox{outputbackground}}%
\vspace{-1.4em}
\MakeFramed{\advance\hsize-\width \FrameRestore}}
{\unskip\medskip\endMakeFramed}
\newenvironment{traceback}{%
\def\FrameCommand{\colorbox{traceback}}%
\MakeFramed{\advance\hsize-\width \FrameRestore}}
{\endMakeFramed}
% Use and configure listings package for nicely formatted code
\usepackage{listingsutf8}
\lstset{
language=python,
inputencoding=utf8x,
extendedchars=\true,
aboveskip=\smallskipamount,
belowskip=\smallskipamount,
xleftmargin=2mm,
breaklines=true,
basicstyle=\small \ttfamily,
showstringspaces=false,
keywordstyle=\color{blue}\bfseries,
commentstyle=\color{myteal},
stringstyle=\color{darkgreen},
identifierstyle=\color{darkorange},
columns=fullflexible, % tighter character kerning, like verb
}
% The hyperref package gives us a pdf with properly built
% internal navigation ('pdf bookmarks' for the table of contents,
% internal cross-reference links, web links for URLs, etc.)
\usepackage{hyperref}
\hypersetup{
breaklinks=true, % so long urls are correctly broken across lines
colorlinks=true,
urlcolor=blue,
linkcolor=darkorange,
citecolor=darkgreen,
}
% hardcode size of all verbatim environments to be a bit smaller
\makeatletter
\g@addto@macro\@verbatim\small\topsep=0.5em\partopsep=0pt
\makeatother
% Prevent overflowing lines due to urls and other hard-to-break entities.
\sloppy