\NeedsTeXFormat{LaTeX2e} \ProvidesPackage{dnLinAlg}[2026/09/03 LaTeX names of linear algebra elements] \RequirePackage{dnBase} \RequirePackage{amssymb} \RequirePackage{euscript} \RequirePackage{systeme} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Put a colored background on the Gauss pivot element. \newcommand{\pivot}[1]{% \begin{tikzpicture} \path[use as bounding box] (0, 0) circle (1pt); \path (0, .5ex) node[draw, Sand!50!O, fill=Sand!90!O, rectangle, rounded corners, text=black, inner sep=.75ex, scale=.95] {$#1$}; \end{tikzpicture} } %% Create a vertical dashed separating line \newcommand{\skio}{% \begin{tikzpicture} \path[use as bounding box] (0, 0) circle (1pt); \draw[dashed] (0, 1.5ex) -- (0, -1.35ex); \end{tikzpicture} } \newcommand{\Mat}{\/\operatorname{Mat}} \newcommand{\Pass}{\/\operatorname{Pass}} \newcommand{\Sol}{\/\operatorname{Sol}} \newcommand{\Vect}{\operatorname{Vect}} %% The column vector of coordiantes in the base #1 with default %% value \Bb \newcommand{\coord}[1][\Bb]{C_{#1}} \newcommand{\fcoord}[1][\Bb]{\phi_{#1}} \newcommand{\Id}{\/\operatorname{Id}} \newcommand{\trace}{\operatorname{trace}} \newcommand{\Trace}{\operatorname{Tr}}