Li An wrote:
>
> Dear Swarm folks,
>
> I have the following questions. If you have comments or hints, I will
> appreciate it:
>
> (1) I remember when I read the Swarm tutorial, there is a quick way to turn
> on or off the flag of all the elements in a list without traversing the
> list. Is this true? If so, how to do it?
I can't help you on this one.
> (2) I want to run the same code many times for Monte Carlo simulation, how
> can I get the code run automatically without typing "javaswarm xxxx" each
> time and write the results (say, population size) to a file that will be
> saved in hard disk and I can check later?
This topic has been discussed several times, you can search the support
email archives. In general there are two approaches: the "DRONE"
software from Michigan (which you at Mich. State are probably not
allowed to use!), and an Experiment manager that we developed here at
Humboldt State. DRONE is an external tool that starts model runs and
passes parameters to the model upon its start. Paul Johnson is the DRONE
expert.
Our experiment manager works within your swarm model, re-running the
model swarm and using probes to replace the value of selected
parameters. Unfortunately, writing up the experiment manager and
developing a template application is just now on our list of things to
do. If you want to learn more, contact me.
Steve R.
--
Lang Railsback & Assoc.
250 California Ave.
Arcata CA USA 95521
707-822-0453; fax 822-1868
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