Plotting question

[Douglas Eck]

With every 100 loops or so in my neural network, I plot the
state of the system. I noticed if I use subplots, things get
really slow after a few hundred plots. 

Here's a sample of what I mean. With this code snippet, the 
gnuplot x program can't seem to keep up:

for i=1:1000
  subplot(1,2,1)
  plot(rand(1,10),'r')
  replot
  
  subplot(1,2,2)
  plot(rand(1,10),'b')
  replot
end 

But without subplots, things seem to work just fine.
for i=1:1000
  plot(rand(1,10),'b')
  hold on
  plot(rand(1,10),'r')
  hold off
  replot
end 

Anything obvious I'm missing?

PS I'm running Dirk's Debain 2.1.32 build on Debian Sid.

Regards, 
Doug



-- 
Dr. Douglas Eck, http://www.idsia.ch/~doug
Istituto Dalle Molle di Studi sull'Intelligenza Artificiale (IDSIA)
Neural Networks, Rhythm Perception and Production, Dynamical Systems



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