Latex help - \documentclass{article} \usepackage{tikz} \usetikzlibrary{ matrix} \begin{document} \centering \begin{tikzpicture}[ row 1/.style={nodes={fill=yellow}}, column 4/.style={nodes={fill=pink}}, row 4 column 5/.style={nodes={fill=blue}} ] \matrix ...
![Tivadar Danka on X: "Recall that matrix-vector products are linear combinations of column vectors. Thus, the first column of AB is the linear combination of A's columns. (With coefficients from the first Tivadar Danka on X: "Recall that matrix-vector products are linear combinations of column vectors. Thus, the first column of AB is the linear combination of A's columns. (With coefficients from the first](https://pbs.twimg.com/media/FrGfFnsaUAAu50d.jpg:large)