Need a math subroutine to....

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#268

From: Gregory Donald Carson
Date: Fri, 10 Apr 1992 01:23

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Hello Computer and Math Guru's

	I have a problem which I hope someone can help with.  I am transporting
a very large program from VMS to Unix, one of the calls the program makes is to
a VMS FORTRAN math extension named SNLS1 or SNLS1E.  
	This routine calculates and yields the two means from a bimodal 
gaussian distribution.  What is sent to the subroutine is an array of data
points, the length of that array, and several other items of little 
importance.  What the main program expects the subroutine to do is to calculate
the two means from the assumption that the data fits a bimodal gaussian 
distribution.  The program SNLS1 uses the Levenberg-Marquardt method to find
the two means of the data, these are then returned to the program.
	What I am looking for is a program that will accomplish this task.  I
do need to be able to get the code for the program.  Does anyone have any
suggestions on a program to use.  
	Please send responses to me in mail.  Thanks in advance for your help
and for reading my post.

Greg

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From: gdcarson@icaen.uiowa.edu (Gregory Donald Carson)
Newsgroups: sci.math.num-analysis
Subject: Need a math subroutine to....
Message-ID: <12096@ns-mx.uiowa.edu>
Date: 10 Apr 92 01:23:12 GMT
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Organization: Iowa Computer Aided Engineering Network, University of Iowa
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