custom_defs.tex

% mathematical definitions for convenience
\def\A{\mathbf{A}}   % transform \A
\def\a{\mathbf{a}}   % rows of transform \A
\def\B{\mathbf{B}}   % transform \B
\def\C{\mathbf{C}}   % covariance matrix
\def\E{\text{E}}     % expected value
\def\I{\mathbf{I}}   % identity matrix
\def\P{\text{P}}     % probability
\def\Pb{\mathbf{P}}  % P matrix
\def\R{\mathbf{R}}   % correlation matrix
\def\U{\mathbf{U}}   % Right SVD decomposition
\def\V{\mathbf{V}}   % Left SVD decomposition
\def\X{\mathbf{X}}   % x in the transformed domain
\def\Y{\mathbf{Y}}   % helper cross correlation matrix
\def\arg{\text{arg}} % argument
\def\c{\mathbf{c}}   % quantised coefficients
\def\d{\text{d}}     % differential
\def\e{\text{e}}     % Euler's constant
\def\GGD{\text{GGD}} % general Gaussian distribution
\def\tr{\text{tr}}   % trace
\def\x{\mathbf{x}}   % x vector
\def\y{\mathbf{y}}   % y vector
\def\Lambdab{\contour[3]{black}{$\Lambda$}} % eigen values matrix

% custom colours
\definecolor{greenish}{RGB}{0,145,0}