The Computer Journal 1975 18(3):250-251; doi:10.1093/comjnl/18.3.250
© 1975 by British Computer Society
Effective treatment of the interpolation factor in Marquardt's nonlinear least-squares fit algorithm
T. Tabata * and
R. Ito *
Radiation Center of Osaka Prefecture, Sakai, Osaka, Japan
A modification of Marquardt's nonlinear least-squares fit strategy is proposed. The performances of the modified and original strategies have been compared for six test problems. The results shown that execution times for difficult problems are much reduced by the modification.
Received June 1973.
* Radiation Center of Osaka Prefecture, Sakai, Osaka, Japan

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