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Phase Portraits

• To: mathgroup at smc.vnet.net
• Subject: [mg37104] Phase Portraits
• From: Jason Miller <millerj at truman.edu>
• Date: Thu, 10 Oct 2002 03:20:30 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Dear MathGroup Experts,

Is there a slick way to use Mathematica to plot the phase portrait of 
a pair of (straightforward) differential equations?  I'd also like to 
see a plot of the associated vector/direction field.  I found a good 
package called DynPac, but it's very cumbersome to use, and I was 
hoping there's another tool out there that my students would feel 
more comfortable using.

Thanks for whatever information you can share.

Jason
-- 
Jason Miller, Ph.D.
Division of Mathematics and Computer Science
Truman State University
100 East Normal St.
Kirksville, MO  63501
http://vh216801.truman.edu
660.785.7430