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[Bug-gsl] [bug #39369] Nonlinear least squares solver fails when MINPACK


From: Brian Gladman
Subject: [Bug-gsl] [bug #39369] Nonlinear least squares solver fails when MINPACK succeeds
Date: Thu, 03 Oct 2013 20:04:03 +0000
User-agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.76 Safari/537.36

Follow-up Comment #1, bug #39369 (project gsl):

The original Fortran program doesn't limit the number of iterations needed to
achieve a solution but the GSL version returns 'no progress' if 10 or more
iterations are needed.  Increasing the iteration limit to 20 provides
convergence on the example given:

=== GSL SOLUTION ===
S =       1.0018817       1.0024552       0.9994202
O =     -14.2134727       2.3374475       6.3478359
A =      89.9459832      90.0165629      89.9379597 

Is this an acceptance solution to this problem?


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