octave+gnuplot: upgrading problems

[John W. Eaton]

On  9-Jan-2009, Francesco Potortì wrote:

| >error: you must have gnuplot installed to display graphics; if you have
| >gnuplot installed in a non-standard location, see the 'gnuplot_binary'
| >function
| >
| >we have gnuplot (3.7) installed, and in the usual place:
| >    which gnuplot
| >    /usr/bin/gnuplot
| >
| >changing 'gnuplot_binary' to '/usr/bin/gnuplot' doesn't do the trick.
| 
| Maybe you set the gnuplot_binary variable?  What you should do is first
| see if the gnuplot_binary() function returns the correct value and, if
| not, set a new value like this:
| 
| octave> gnuplot_binary("/usr/bin/gnuplot")

I think the problem is that gnuplot 3.7 is too old.

jwe