animation



Hi Mario, thanks for the help!

On Fri, 2008-09-12 at 23:11 +0200, Mario Rodriguez wrote:
> Can you send the error messages, please? I don't see any.

(%i1) f:%e^(-x)*sin(x)$
      load(draw)$
      movie(n):= 
      for k:1 thru n step 1 do 
       (draw2d(
        color = blue, 
        line_width = 3,
        explicit(f,x,-1,5), 
        color = red, 
        line_width = 1,
        explicit(taylor(f,x,0,k),x,-1,5), 
        xrange = [-1,5], 
        yrange = [-1,2],
        title = sconcat("\"",taylor(f,x,0,k),"\"")))$ 
      movie(11);


    gnuplot> lc rgb  'red'
             ^
             "/home/bob/maxout.gnuplot", line 21: invalid command
repeat
(%o4) done

Errors like the above repeat, the number tends to vary from execution to
execution (perhaps due to the interface with texmacs?) and they are not
all the same.

gnuplot> 'red'
gnuplot> b 'red'
gnuplot> 1 lc rgb 'red'
gnuplot> rgb 'red'

are example of other first lines in the error message.

> > delay = 300 did not help. The animated gif worked nicely with the delay
> > and from the documentation I am guessing that the delay will not work
> > with the screen animation.
> 
> True. If you want to introduce some delay in the screen animation, you 
> can add an internal loop like
> 
> for k:0 while k<1000 do k: k+1;
> 
> It's not very nice, but it works.

I thought that might be the case but had not tried it yet. Thanks for
the suggestion.

Bob

-- 
Dr. Robert J. Jerrard, Professor of Mathematics,
Concordia University College of Alberta,
7128 Ada Blvd., Edmonton, Alberta, T5B 4E4, Canada.
Phone: (780) 479-9291, Fax: (780) 474-1933.