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Viewing Preamble for list vector

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\newcommand{\cU}{\mathcal{U}}
\newcommand{\bF}{\mathbf{F}}
\newcommand{\bG}{\mathbf{G}}
\newcommand{\hbF}{\hat{\bF}}
\newcommand{\va}{a}
\newcommand{\vu}{u}
\newcommand{\vv}{v}
\newcommand{\bzero}{\mathbf{0}}
\newcommand{\supt}{^{\scriptscriptstyle\mathrm{T}}}
\newcommand{\kfield}{\mathbb{K}}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\newcommand{\reals}{\mathbb{R}}
\newcommand{\natnums}{\mathbb{N}}
\newcommand{\cnums}{\mathbb{C}}
\newcommand{\znums}{\mathbb{Z}}
\newcommand{\lp}{\left(}
\newcommand{\rp}{\right)}
\newcommand{\lb}{\left[}
\newcommand{\rb}{\right]}
\newcommand{\supth}{^{\text{th}}}
\newtheorem{proposition}{Proposition}
\newtheorem{definition}[proposition]{Definition}
\newcommand{\nl}[1]{{\PMlinkescapetext{{#1}}}}
\newcommand{\pln}[2]{{\PMlinkname{{#1}}{#2}}}