a problem about plotting



??? wrote:
>
> Hello, I am new to Maxima.
>
> I have installed the Gnuplot, and I encountered some problem as 
> follows when plotting.
>
> (%i39) load(draw);
> (%o39) /usr/local/share/maxima/5.16.3/share/draw/draw.lisp
> (%i40) draw2d(explicit(u^2,u,-3,3));
> Maxima encountered a Lisp error:
>
>
> UNIX error 32 (EPIPE): Broken pipe, child process terminated or socket 
> closed
>
> Automatically continuing.
> To reenable the Lisp debugger set *debugger-hook* to nil.
>
> What's wrong?
>
>
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I have had this problem occur also, when I have been inside a maxima 
session which has called 'gnuplot' several times before. I am not sure 
of the cause of the problem, but exiting and restarting maxima has 
worked for me.

-sen