I am looking for something that looks like:
Does anyone have an idea as to how to implement this?
2
- 3Related/duplicate: Squares in MatrixWerner– Werner ♦2014-02-26 15:17:56 +00:00Commented Feb 26, 2014 at 15:17
- may be it's wise to make an attempt to build MWEtexenthusiast– texenthusiast2014-02-26 15:31:18 +00:00Commented Feb 26, 2014 at 15:31
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1 Answer
Although closed, this approach is easier than the referrals, having its merits.
Code
\documentclass{article} \usepackage{amsmath,amsfonts,amssymb} \usepackage[table]{xcolor} \usepackage[papersize={10cm,5cm}]{geometry} \thispagestyle{empty} \begin{document} \newcommand*{\temp}{\multicolumn{1}{|c|}{\cellcolor{blue}}} \newcommand*{\tempred}{\multicolumn{1}{|c}{\cellcolor{red}}} \[ B=\left[ \begin{array}{ccccccc}\cline{1-2} \tempred &\tempred & & & & & \\ \cline{1-3} \temp & &\temp & & & & \\ \cline{1-4} & \temp & & \temp & & & \\ \cline{2-5} & & \temp & & \temp & & \\ \cline{3-6} & & & \temp & & \temp & \\ \cline{4-7} & & & & \temp & & \temp \\ \cline{5-7} & & & & & \temp & \\ \cline{6-6} \end{array} \right] \left[ \begin{array}{c} b_1\\ b_2\\ b_3\\ \cdot\\ \cdot\\ \cdot\\ b_7 \end{array} \right] \] \end{document} 