header.tex

\usepackage{amsmath}
\usepackage{bm}
\usepackage{placeins}
\usepackage{color}
\usepackage{array,multirow,graphicx}
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\newcommand{\vZ}{\mbox{\boldmath{$Z$}}}
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\newcommand{\vz}{\mbox{\boldmath{$z$}}}
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\newcommand{\vep}{\mbox{\boldmath{$\epsilon$}}}
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\newcommand{\va}{\mbox{\boldmath{$a$}}}
\newcommand{\vb}{\mbox{\boldmath{$b$}}}
\newcommand{\vPsi}{\mbox{\boldmath{$\Psi$}}}



\newcommand{\mSigma}{\mbox{\bm{$\Sigma$}}}
\newcommand{\mI}{\mbox{\textbf{I}}}
\newcommand{\mX}{\mbox{\textbf{X}}}
\newcommand{\mM}{\mbox{\textbf{M}}}
\newcommand{\mL}{\mbox{\textbf{L}}}
\newcommand{\mW}{\mbox{\textbf{W}}}
\newcommand{\mB}{\mbox{\textbf{B}}}
\newcommand{\mOmega}{\mbox{\textbf{\Omega}}}
\newcommand{\mV}{\mbox{\textbf{V}}}
\newcommand{\mS}{\mbox{\textbf{S}}}
\newcommand{\mU}{\mbox{\textbf{U}}}
\newcommand{\mC}{\mbox{\textbf{C}}}
\newcommand{\mE}{\mbox{\textbf{E}}}



\DeclareMathOperator*{\E}{\mathbb{E}}
\DeclareMathOperator*{\V}{\mathbb{V}}

\newcommand{\maxu}[1]{\raisebox{0.5ex}{\scalebox{0.8}{$\displaystyle \max_{#1}\;$}}}

\newcommand{\rc}{\color{red}}
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\newcommand{\blc}{\color{blue}}
\newcommand{\gc}{\color{green}}