Tutorial on Polynomials in Matlab: polyBox Version 1.2 by Matthew Harker, Paul O'Leary,

A thorough tutorial on polynomials in matlab, which also adds functions for covariance computations (polynomials, covariance, convolution)

Tutorial on Polynomials in MATLAB

polyadd( f, g, Lf, Lg )

polyfitcov( x, y, d )

polyparci by Star Strider

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

polyparci.m

easyfitGUI by Jean-Luc Dellis

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

easyfitGUI

polyfitZero by Mark Mikofski

Fit polynomial to data, forcing y-intercept to zero. (mathematics, modeling, data exploration)

polyfitZero(x,y,degree)

polyfitn by John D'Errico

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

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

polyfit3 by Antoni J. Canós

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

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

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 )

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)

Polyfit at Chebyshev Points by Tyrone Uy

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

Chebyshev2b.m

polyfit0.m by Arthur Jutan

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

polyfit0(x,y,n)