[pstricks] This is embarrassing

[Michael Sharpe]

I think you must be processing with pdflatex rather than latex+dvips.  
I get no error with latex+dvips, but an undefined control sequence  
error when using pdflatex.

Michael

On Feb 24, 2009, at 12:57 PM, Michael Gallagher wrote:

>  I have to be missing something!!
>
> I am trying to do some very simple flow diagrams for a math text --
>
> This one generates an "undefined control sequence" right after the  
> "mnode=circle" parameter.  When I remove that, no errors.
>
> I have been checking around last couple days on what seems to be a  
> simple problem, a command that is used everywhere --
>
> This code is as near as I can tell exactly what M. Joshi shows in  
> his paper, "Create Trees and Figures in Graph theory with PSTricks,"  
> on the Internet.
>
> Can someone tell me what is wrong here??
>
> Thanks and best regards
>
> Mike Gallagher
>
> Code follows
>
> \documentclass{article}
>
> \usepackage{graphics,graphicx}
> \usepackage{pstricks,pst-node,pst-tree,pstricks-add}
>
> \begin{document}
>
> $
> \psmatrix[colsep=3.5cm,mnode=circle]
> M & U \\
> \endpsmatrix
> $
>
>
>
> \end{document}
>
>
>
>
>
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