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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"gaussnewton algorithms"" "subject:"gauss_newton algorithms""

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Nonlinear Least-Square Curve Fitting of Power-Exponential Functions: Description and comparison of different fitting methods

Altoumaimi, Rasha Talal January 2017 (has links)
This thesis examines how to find the best fit to a series of data points when curve fitting using power-exponential models. We describe the different numerical methods such as the Gauss-Newton and Levenberg-Marquardt methods to compare them for solving non-linear least squares of curve fitting using different power-exponential functions. In addition, we show the results of numerical experiments that illustrate the effectiveness of this approach.Furthermore, we show its application to the practical problems by using different sets of data such as death rates and rocket-triggered lightning return strokes based on the transmission line model.
Curve fitting
Power exponential functions
Gauss-Newton algorithms
Levenberg Marquardt algorithm
death rate
Natural Sciences
Naturvetenskap
Mathematics
Matematik

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