On Mon, 15 Apr 2013 at 16:42 +0200, Zdenek Kalina wrote:
> I have the same problem with using gnuplot as built-in function from REDUCE 3 as Brian Wilfley (posted sourgeforge - Reduce forum on Tue Jul 10, 2012).
> I downloaded and unpacked the 64-bit version of Reduce: reduce-windows64-20110414. I unpacked and put the directory in:
> All functions are o.k and load_package works too but gnuplot.
> My PATH has: ;c:\Tools\reduce-windows64-20110414; near the front.
> I can run Reduce just fine, but when I try creating a plot, I get:
> 1: load_package "gnuplot";
> 2: plot( sin(x));
> +++ Error unable to establish pipe: "gnuplot"
> The REDUCE directory has pgnuplot.exe (version 4.2), wgnuplot.exe, wgnuplot.hlp, wgnuplot.mnu, wgnuplot_pipes.exe available and wgnuplot. exe starts and works standalone correctly.
Thank you for bringing this problem to our attention. I have analyzed it and
committed a correction to the source repository. A new Windows version will be
available in the near future.