curve fitting


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curve fitting

[′kərv ‚fid·iŋ]
(statistics)
The calculation of a curve of some particular character (as a logarithmic curve) that most closely approaches a number of points in a plane.
References in periodicals archive ?
publishes scientific software, including: GraphPad Prism combines 2D scientific graphing, biostatistics with explanations, and curve fitting via nonlinear regression.
In this study, a curve fitting process is used as a calibration method.
Concerning the curve fitting, a number of different approaches were used.
The goal of this project was to reverse-engineer the causes of uncertainty in parameters determined by curve fitting models to experimental data.
As illustrated in Figure 3, since there was no initial surface data provided, the coordinates of each condyle surface were measured and surface curve fitting methodology was used for volumetric analysis based on the reconstructed "original" surface [13].
Curve fitting [9] is based on picking feasible points on the fore-path and drawing a polynomial function, to fit the chosen feasible points.
His topics include curve fitting and statistics, ray optics and glass equations, modulation transfer function and contrast, Zernike polynomials and wavefronts, metals and complex index of refraction, and completing and packaging programs.
A mathematical characteristic equation has been defined by using the data related to the electrical arc current and voltage characteristic and curve fitting methods with the help of Matlab curve fitting toolbox.
In this paper, a curve fitting based range cell migration correction method is proposed to solve the foregoing problem.
Curve fitting is the process of constructing a curve or mathematical function with the best approximation to data points [17].
After the analysis of the actual core data, the cumulative probability distribution curve of the displacement efficiency is obtained, and the hyperbolic tangent formula for the cumulative distribution curve of the oil displacement efficiency is fitted by the least squares curve fitting method.