>>>>> "sen1" == sen1 <sen1 at math.msu.edu> writes:
[snip]
sen1> This produces the plot with the appropriate labels, but
sen1> we get an error replacing d_1 by d_2 as follows.
sen1> (%i8) plot2d([[discrete,xx],[discrete,xy]],d_2);
gnuplot> plot '-' "title ' xx ' " with lines 3, '-' "title ' xy ' "
I'm pretty sure this is caused by plot2d not knowing how to
appropriately quote the string so that gnuplot likes it. At least I
remember running into this, and located the issue, but couldn't come
up with a solution at the time. It was easier to change the string
than to fix plot2d. :-(
Ray