common.sty

\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{fullpage,graphicx}
\usepackage{tikz}
\usetikzlibrary{patterns}
\pagestyle{empty}
\usepackage{subfig}
\usepackage{comment}

\newcommand{\boldA}{\mathbf{A}}
\newcommand{\boldB}{\mathbf{B}}
\newcommand{\boldC}{\mathbf{C}}
\newcommand{\boldD}{\mathbf{D}}
\newcommand{\boldE}{\mathbf{E}}
\newcommand{\boldF}{\mathbf{F}}
\newcommand{\boldG}{\mathbf{G}}
\newcommand{\boldH}{\mathbf{H}}
\newcommand{\boldI}{\mathbf{I}}
\newcommand{\boldJ}{\mathbf{J}}
\newcommand{\boldK}{\mathbf{K}}
\newcommand{\boldL}{\mathbf{L}}
\newcommand{\boldM}{\mathbf{M}}
\newcommand{\boldN}{\mathbf{N}}
\newcommand{\boldO}{\mathbf{O}}
\newcommand{\boldP}{\mathbf{P}}
\newcommand{\boldQ}{\mathbf{Q}}
\newcommand{\boldR}{\mathbf{R}}
\newcommand{\boldS}{\mathbf{S}}
\newcommand{\boldT}{\mathbf{T}}
\newcommand{\boldU}{\mathbf{U}}
\newcommand{\boldV}{\mathbf{V}}
\newcommand{\boldW}{\mathbf{W}}
\newcommand{\boldX}{\mathbf{X}}
\newcommand{\boldY}{\mathbf{Y}}
\newcommand{\boldZ}{\mathbf{Z}}
\newcommand{\bolda}{\mathbf{a}}
\newcommand{\boldb}{\mathbf{b}}
\newcommand{\boldc}{\mathbf{c}}
\newcommand{\boldd}{\mathbf{d}}
\newcommand{\bolde}{\mathbf{e}}
\newcommand{\boldf}{\mathbf{f}}
\newcommand{\boldg}{\mathbf{g}}
\newcommand{\boldh}{\mathbf{h}}
\newcommand{\boldi}{\mathbf{i}}
\newcommand{\boldj}{\mathbf{j}}
\newcommand{\boldk}{\mathbf{k}}
\newcommand{\boldl}{\mathbf{l}}
\newcommand{\boldm}{\mathbf{m}}
\newcommand{\boldn}{\mathbf{n}}
\newcommand{\boldo}{\mathbf{o}}
\newcommand{\boldp}{\mathbf{p}}
\newcommand{\boldq}{\mathbf{q}}
\newcommand{\boldr}{\mathbf{r}}
\newcommand{\bolds}{\mathbf{s}}
\newcommand{\boldt}{\mathbf{t}}
\newcommand{\boldu}{\mathbf{u}}
\newcommand{\boldv}{\mathbf{v}}
\newcommand{\boldw}{\mathbf{w}}
\newcommand{\boldx}{\mathbf{x}}
\newcommand{\boldy}{\mathbf{y}}
\newcommand{\boldz}{\mathbf{z}}

\newcommand{\mcA}{\mathcal{A}}
\newcommand{\mcB}{\mathcal{B}}
\newcommand{\mcC}{\mathcal{C}}
\newcommand{\mcD}{\mathcal{D}}
\newcommand{\mcE}{\mathcal{E}}
\newcommand{\mcF}{\mathcal{F}}
\newcommand{\mcG}{\mathcal{G}}
\newcommand{\mcH}{\mathcal{H}}
\newcommand{\mcI}{\mathcal{I}}
\newcommand{\mcJ}{\mathcal{J}}
\newcommand{\mcK}{\mathcal{K}}
\newcommand{\mcL}{\mathcal{L}}
\newcommand{\mcM}{\mathcal{M}}
\newcommand{\mcN}{\mathcal{N}}
\newcommand{\mcO}{\mathcal{O}}
\newcommand{\mcP}{\mathcal{P}}
\newcommand{\mcQ}{\mathcal{Q}}
\newcommand{\mcR}{\mathcal{R}}
\newcommand{\mcS}{\mathcal{S}}
\newcommand{\mcT}{\mathcal{T}}
\newcommand{\mcU}{\mathcal{U}}
\newcommand{\mcV}{\mathcal{V}}
\newcommand{\mcW}{\mathcal{W}}
\newcommand{\mcX}{\mathcal{X}}
\newcommand{\mcY}{\mathcal{Y}}
\newcommand{\mcZ}{\mathcal{Z}}

\newcommand{\reals}{\ensuremath{\mathbb{R}}}
\newcommand{\integers}{\ensuremath{\mathbb{Z}}}
\newcommand{\rationals}{\ensuremath{\mathbb{Q}}}
\newcommand{\naturals}{\ensuremath{\mathbb{N}}}
\newcommand{\trans}{\ensuremath{\mathsf{T}}}
\newcommand{\ident}{\mathbf{I}}
\newcommand{\bzero}{\mathbf{0}}

\newcommand{\balpha}{\mathbf{\alpha}}
\newcommand{\bbeta}{\mathbf{\beta}}
\newcommand{\bdelta}{\mathbf{\delta}}
\newcommand{\boldeta}{\mathbf{\eta}}
\newcommand{\bkappa}{\mathbf{\kappa}}
\newcommand{\bgamma}{\mathbf{\gamma}}
\newcommand{\bmu}{\boldsymbol{\mu}}
\newcommand{\bphi}{\mathbf{\phi}}
\newcommand{\bpi}{\boldsymbol{\pi}}
\newcommand{\bpsi}{\mathbf{\psi}}
\newcommand{\bsigma}{\mathbf{\sigma}}
\newcommand{\btheta}{\mathbf{\theta}}
\newcommand{\bxi}{\mathbf{\xi}}
\newcommand{\bGamma}{\mathbf{\Gamma}}
\newcommand{\bLambda}{\mathbf{\Lambda}}
\newcommand{\bOmega}{\mathbf{\Omega}}
\newcommand{\bPhi}{\mathbf{\Phi}}
\newcommand{\bPi}{\mathbf{\Pi}}
\newcommand{\bPsi}{\mathbf{\Psi}}
\newcommand{\bSigma}{\mathbf{\Sigma}}
\newcommand{\bTheta}{\mathbf{\Theta}}
\newcommand{\bUpsilon}{\mathbf{\Upsilon}}
\newcommand{\bXi}{\mathbf{\Xi}}
\newcommand{\bepsilon}{\mathbf{\epsilon}}

\def\argmin{\operatornamewithlimits{arg\,min}}

\newcommand{\given}{\,|\,}
\newcommand{\distNorm}{\mathcal{N}}

\usepackage{longtable}
\usepackage[parfill]{parskip}
\usepackage{needspace}
\usepackage{ifthen}
\usepackage{version}

% allows us to have one horizontal line either side of the exercise/solution title and end
\newcommand*\varhrulefill[1][17pt]
{\leavevmode\leaders\hrule\hfill\kern0pt}

% adjust penalty for filbreak, which will be used to try to keep each exercise/solution on same page
\def\filbreak{\par\vfil\penalty 5\vfilneg}  

\newcounter{task}

\newenvironment{task}[2]{%
\addtocounter{task}{1}
%   \begin{center}
%   \begin{tabular}{|p{6in}|} 
%\setlength{\parskip}{1ex}
\filbreak 
\needspace{1\baselineskip}
{\begin{center}\varhrulefill \bf #1 \;Task \arabic{task} #2 \varhrulefill\end{center}}{}\par{}
}{%
\par{\begin{center}\varhrulefill \bf \;End Task \arabic{task} \varhrulefill\end{center}}{}\par{}
\needspace{-3\baselineskip}
%\filbreak 
}{%
%	\par{\bf End Task \arabic{task}}
%   \end{tabular}
%   \end{center}
}

\newenvironment{taskunnumbered}[2]{%
%   \begin{center}
%   \begin{tabular}{|p{6in}|} 
%\setlength{\parskip}{1ex}
\filbreak 
\needspace{3\baselineskip}
{\begin{center}\varhrulefill \bf #1 \;Task #2 \varhrulefill\end{center}}{}
}{%
\par{\begin{center}\varhrulefill \bf \;End Task \varhrulefill\end{center}}{}
\needspace{-3\baselineskip}
\filbreak 
}{%
%	\par{\bf End Task}
%   \end{tabular}
%   \end{center}
}

\newenvironment{solunnumbered}[2]{%
%   \begin{center}
%   \begin{longtable}{|p{6in}|} 
%\setlength{\parskip}{1ex}
\filbreak 
\needspace{3\baselineskip}
{\begin{center}\varhrulefill \bf #1 \;Solution  \varhrulefill\end{center}}{}
}{%
\par{\begin{center}\varhrulefill \bf \;End Solution  \varhrulefill\end{center}}{}
\needspace{-3\baselineskip}
\filbreak 
%   \end{longtable}
%   \end{center}
}

\newenvironment{sol}{%
   \begin{solunnumbered}{}{}
}{%
   \end{solunnumbered}
}