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Re: optimization using IDL [message #7098 is a reply to message #7002]

Tue, 17 September 1996 00:00

rivers
Messages: 228
Registered: March 1991

Senior Member

In article <323DE338.41C67EA6@gojira.berkeley.edu>, Karl Young <karl@gojira.berkeley.edu> writes:
> I know this has been discussed before and I apologize for any
> redunancy. I am finding IDL's curvefit inadequate for the types
> of optimization I need to do. For one thing I need to do
> constrained optimization.
...
> So my question is; has anybody been in this situation with
> IDL and if so how did they deal with it ? E.g. has anybody
> written more sophisticated optimization code in IDL, do
> people generally call external Fortran or C routines from
> commercial or shareware packages, ... ? Any comments or
> suggestions greatly apreciated,

I have worked with RSI to fix some of the limitations in curvefit (e.g. it now
longer needs analytical derivatives). For more sophisticated optimization I
have used CALL_EXTERNAL and the IMSL or NAG libraries.

____________________________________________________________
Mark Rivers (312) 702-2279 (office)
CARS (312) 702-9951 (secretary)
Univ. of Chicago (312) 702-5454 (FAX)
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Chicago, IL 60637 rivers@cars3.uchicago.edu (Internet)

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[Message index]

		optimization using IDL By: Karl Young on Mon, 16 September 1996 00:00
		Re: optimization using IDL By: PREUSSER on Fri, 20 September 1996 00:00
		Re: optimization using IDL By: Amara Graps on Tue, 17 September 1996 00:00
		Re: optimization using IDL By: rivers on Tue, 17 September 1996 00:00

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