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updated 8 days ago

polyplot by Chad Greene

Chad Greene

Easily plot linear trend lines or polynomial fits to scattered data. (polyfit, polyval, plot)

polyplot documentation

polyplot(x,y,varargin)

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updated 3 months ago

easyfitGUI by Jean-Luc Dellis

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 9 months ago

polyfitn by John D'Errico

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 9 months ago

trend by Chad Greene

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 12 months ago

polyfitZero by Mark Mikofski

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 12 months ago

polyparci by Star Strider

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,

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

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

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

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

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

Arthur Jutan

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

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