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From: Yu Sheng on 28 Jun 2010 15:59
I have a bound constraint non-linear least squares problem
min||f(x)-y||_2
x
with l<=x<=u

I found that solving this problem with lsqnonlin using trust-region-reflective method is much much faster than with fmincon using the same method. What is the difference between the implementation of these two methods?
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