On SAT, 9 DEC 2006, Jaime E. Villate wrote:
> On Fri, 2006-12-08 at 23:40 +0000, Leo wrote:
>> Can someone explain why direction field can't be done in gnuplot since
>> there are examples on Gnuplot website:
>>
>> http://gnuplot.sourceforge.net/demo_4.2/vector.html
>>
>
> That's not a direction field! that's a plot of the equipotentials for an
> electric dipole. The direction fields I'm talking about are those you
> can see in:
> http://maxima.sourceforge.net/docs/manual/en/maxima_63.html#SEC228
>
> You can click on a point on the plot, and Xmaxima will use a numerical
> integrator to compute and plot the integral curve that goes through
> that point. You can also move a slider bar and see the direction
> field change in real time. You cannot do anything like that in
> gnuplot.
As my little experience tells me, Gnuplot is one tool that does one
job extremely well. That includes plotting direction field.
Hans-Bernhard Br?ker has an answer:
http://thread.gmane.org/gmane.comp.graphics.gnuplot.devel/5805/focus=5814
--
Leo