[SciPy-user] unhandled exception ind leastsq

Robert Kern rkern at ucsd.edu
Wed Apr 20 05:43:32 CDT 2005


Christian Kristukat wrote:

> Anyway, as we finally have the covariance matrix, could explain to me 
> how I get
> a e.g. 95% confidence interval?

I believe you can find the appropriate math here:

Paul T. Boggs and Janet E. Rogers (1990), ``The Computation and Use of 
the Asymptotic Covariance Matrix for Measurement Error Models,'' NIST IR 
89-4102, U.S. Government Printing Office.

http://www.boulder.nist.gov/mcsd/Staff/JRogers/papers/odr_vcv.dvi

-- 
Robert Kern
rkern at ucsd.edu

"In the fields of hell where the grass grows high
  Are the graves of dreams allowed to die."
   -- Richard Harter



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