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updated 1 month ago

easyfitGUI by Jean-Luc Dellis

A GUI to fit 1D data (X, Y) to a polynomial or to a model function Y = F(P,X). (gui, optimization, fit)

easyfitGUI

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updated 8 months ago

polyfitn by John D'Errico

Polynomial modeling in 1 or n dimensions (polyfit, modeling, regression)

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

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updated 8 months ago

trend by Chad Greene

Fast function for mapping trends along any dimension in 3D data. (netcdf, nc, reanalysis)

trend(A,t,dim)

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updated 10 months ago

polyfitZero by Mark Mikofski

Fit polynomial to data, forcing y-intercept to zero or arb. value and slope to zero or arb. value (mathematics, modeling, data exploration)

polyfitZero example

polyfitB(x,y,degree,b)

polyfitB0(x,y,degree,b)

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updated 10 months ago

polyparci by Star Strider

POLYPARCI calculates confidence intervals for parameters estimated by ‘polyfit’. (polyfit, statistics, parameter estimation)

polyparci.m

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updated 1 year ago

Polynomial Toolbox: polyBox Version 2.1 by Matthew Harker, Paul O'Leary,

Polanomial approximation, polynomials as admissible functions, a comprehensive tutorial. (polynomials, covariance, convolution)

Demonstrate 2: Constrained Polynomials and Beam Measurements

Demonstrate the Constrained Polynomial Approximation

Example of Constrained Polynomials

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updated 4 years ago

polyfit3 by Antoni J. Canós

Fit polynomial to data, with new features as forced to zero coefficients and data weighting. (approximation, interpolation, fitting)

polyfit3(x,y,n,nul,w)

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updated 4 years ago

Interactive regression on a plot by Ivar Eskerud Smith

Perform regression on plotted data in a figure by manually choosing the regression area. (interactive, regression, polyfit)

figreg( f, n, varargin )

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updated 5 years ago

der.m v1.0 (Nov, 2009) by Carlos Adrian Vargas Aguilera

Estimates first derivative of an array by using POLYFIT locally on each point ignoring NaNs! (diff, gradient, derivative)

der(X,DT,W,DEG,PAD,DIM)

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updated 9 years ago

Polyfit at Chebyshev Points by Tyrone Uy

Program demo using polyfit for plot chebyshev points. (polyfit, chebyshev, points)

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updated almost 15 years ago

polyfit0.m by Arthur Jutan

Polyfit0 - similar to polyfit, except that the fitted polynomial does not have a constant term. (approximation, interpolation, polyfit)

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