deletions | additions       diff --git a/preamble.tex b/preamble.tex  index 98415ea..8ea3913 100644  --- a/preamble.tex  +++ b/preamble.tex 
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\usepackage{color}  \usepackage{url}  \newcommand{\ones}{\mathbf 1}  \newcommand{\reals}{{\mbox{\bf R}}}  \newcommand{\integers}{{\mbox{\bf Z}}}  \newcommand{\symm}{{\mbox{\bf S}}} % symmetric matrices  \newcommand{\nullspace}{{\mathcal N}}  \newcommand{\range}{{\mathcal R}}  \newcommand{\Rank}{\mathop{\bf Rank}}  \newcommand{\Tr}{\mathop{\bf Tr}}  \newcommand{\diag}{\mathop{\bf diag}}  \newcommand{\card}{\mathop{\bf card}}  \newcommand{\rank}{\mathop{\bf rank}}  \newcommand{\conv}{\mathop{\bf conv}}  \newcommand{\prox}{\mathbf{prox}}  \newcommand{\e}{\mathbb{E}} % Expectation.  \newcommand{\Var}{\mathop{\bf Var{}}}  \newcommand{\p}{\mathbb{P}} % Probability.  \newcommand{\Co}{{\mathop {\bf Co}}} % convex hull  \newcommand{\dist}{\mathop{\bf dist{}}}  \newcommand{\argmin}{\mathop{\rm argmin}}  \newcommand{\argmax}{\mathop{\rm argmax}}  \newcommand{\epi}{\mathop{\bf epi}} % epigraph  \newcommand{\Vol}{\mathop{\bf vol}}  \newcommand{\dom}{\mathop{\bf dom}} % domain  \newcommand{\intr}{\mathop{\bf int}}  \newcommand{\sign}{\mathop{\bf sign}}  \newcommand{\mop}[1]{\mathop{\bf #1}} % math operator  \newcommand{\cf}{{\it cf.}}  \newcommand{\eg}{{\it e.g.}}  \newcommand{\ie}{{\it i.e.}}  \newcommand{\etc}{{\it etc.}}  \newcommand{\m}[1]{\mathbf{#1}} % for writing matrices  \newcommand{\T}{^\top}  \newcommand{\bigo}{\mathcal{O}}  \bibliographystyle{plain}