I'm not that familiar with the DifferentialSystem actor.
The docs for the Ptolemy DifferentialSystem actor may be found at
http://chess.eecs.berkeley.edu/ptexternal/src/ptII/doc/codeDocViptos/doc/codeDoc/ptolemy/domains/continuous/lib/DifferentialSystem.html
There are these demos that might help:
* ptolemy/domains/gr/demo/FurutaPendulum/FurutaPendulum.xml
<../../../../../../ptolemy/domains/gr/demo/FurutaPendulum/FurutaPendulum.xml>
* ptolemy/domains/continuous/demo/FurutaPendulum/FurutaPendulum.xml
<../../../../../../ptolemy/domains/continuous/demo/FurutaPendulum/FurutaPendulum.xml>
* ptolemy/domains/continuous/demo/Lorenz/LorenzDifferentialSystem.xml
<../../../../../../ptolemy/domains/continuous/demo/Lorenz/LorenzDifferentialSystem.xml>
_Christopher
On 10/21/13 4:42 PM, Godbole, Pranav wrote:
Hi!
I'm looking to solve a sizable number of 2nd order ODE's in Kepler.
Given the large number of equations I need to solve, I think using the
standard 'expression / integrator' method may become too messy, so I
was looking into using the Differential System actor to keep things
tidy. The problem is I'm not sure how to correctly use the actor. I
found the documentation to be confusing and could not find any
tutorials for Kepler/Ptolemy II/Simulink to clarify. If someone could
write a quick tutorial using a minimal example (maybe an undamped
pendulum) or point me in the right direction, I would greatly
appreciate it!
Aside: The ODE's are in reduced (1st order) form, so it is really just
a matter of getting it into Kepler.
Cheers,
Pranav
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Christopher Brooks, PMP University of California
Academic Program Manager & Software Engineer US Mail: 337 Cory Hall
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