Chronology Current Month Current Thread Current Date
[Year List] [Month List (current year)] [Date Index] [Thread Index] [Thread Prev] [Thread Next] [Date Prev] [Date Next]

Re: [Phys-L] Fwd: Re: six more days in Okla - least squares

The fitting algorithm my curve fitter uses is also Levenberg-Marquardt in combination with Gauss-Newton (ref)  so I am likely mistaken

Brian W

ref: ACM TRans math Software 7,3(sep 1981)'An Adaptive Nonlinear Least-squares Algorithm' Dennis J.E et al

On 4/2/2020 3:33 PM, bernard cleyet wrote:
/snip/I think the fit (is a Marquardt) treats each datum equally unless one weights the data.

Whether the scale (ordinate) is linear of log, the fit is the same.

bc delayed, soon