[pstricks] Vertical \ncarcbox in \psmatrix

[Herbert Voss]

Arne Hallam wrote:
> I am wanting to demonstrate how to construct submatrices and am doing 
> fine with horizontal boxes to show row inclusion but get a circle around 
> the first vertical node instead of a vertical box.

why do you use \ncarcbox, when you need a rectangular box??

Herbert


\documentclass{report}
\usepackage{pstricks,pst-plot}
\usepackage{pst-node}
\usepackage{amsmath}
\SpecialCoor
\begin{document}

\begin{equation}
A(\{1,3\},\{1,3\})~=~\left(\raisebox{-3.0ex}{
\begin{psmatrix}[rowsep=3pt,colsep=10pt]
3 &4&7 \\
2&5& 2 \\
1&0&4
\end{psmatrix}} \right)
\psset{nodesep=.15,boxsize=.25,linestyle=dashed,linecolor=blue}
\ncbox[nodesep=.1,linecolor=green]{1,3}{3,3}
\ncbox{1,1}{1,3}
\ncbox{3,1}{3,3}
\end{equation}


\end{document}