### Refine by Time Frame

updated 13 days ago

### Bill Whiten (view profile)

Robust & non negative non linear least squares: nlsq & nnnlsq

derivtest(fnct,data,par0,varargin)

nlsq(fnct,data,par0,varargin)

nlsqdemo

updated 4 months ago

### John D'Errico (view profile)

Speed up when you have a very large number of nonlinear least squares problems, but with one model

Demo file for batchpleas.m

batchpleas(Xdata,Ydata,batchindex,funlist,INLPstart,batch...

updated 7 months ago

### Eric Blake (view profile)

use LAPACK Cholesky to invert real positive definite symmetric matrix; faster more accurate than inv

run_to_compile_and_test.m

updated 8 months ago

Easily plot linear trend lines or polynomial fits to scattered data.

polyplot documentation

polyplot(x,y,varargin)

updated 8 months ago

### Liber Eleutherios (view profile)

The function returns the Orthogonal Linear Least Squares estimate for parameters of line ax+by+c=0

OrthLLS2D(x, y)

updated 1 year ago

### John D'Errico (view profile)

Least squares spline modeling using shape primitives

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

updated 1 year ago

Fast function for mapping trends along any dimension in 3D data.

trend(A,t,dim)

updated 1 year ago

### Joe Henning (view profile)

A variety of regression utilities

cookdist(x, y, sigy, c, basis, plotflag)

irsvdregr(x, y, c, k)

ladratregr(x, y, sigy, p, q, monflag)

updated 2 years ago

### Alan Jennings (view profile)

Fits a sphere to a set of noisy data. Does not require a wide arc or many points.

sphereFit_Example

sphereFit(X)

updated 2 years ago

### Leonidas Bantis (view profile)

Fits the so called restricted cubic spline via least squares and obtains 95% bootstrap based CIs.

rcs(x,y,knots,plots)

rcspline(x,y,knots,bootsams,atwhich,plots)

example.m

updated 2 years ago

### Daniel (view profile)

Robust method for fitting a circle to data using Weighted Linear Least Squares.

circfit( data, weights )

circfit_DEMO.m

updated almost 3 years ago

MAT file of all the benchmark Nonlinear Regression problems from the NIST StRD website

updated 3 years ago

### Bruno Luong (view profile)

Least squares approximation of 1D data using free-knots spline

BBspline(varargin)

BSFK(x, y, k, nknots, fixknots, options)

BSFK_install

updated 3 years ago

### Marko Neitola (view profile)

Least squares sinusoid fit. Optimization toolbox not needed. Data can be non-uniformly sampled.

sinefit(varargin)

updated 3 years ago

### Muhammad Tauha Ali (view profile)

Graphical interfacing of least squares

curve_fitting(varargin)

updated 3 years ago

### Miroslav Balda (view profile)

Efficient and stable Levenberg-Marquard-Fletcher method for solving of nonlinear equations

LMFnlsq.m

res(p)

LMFnlsqtest.m

updated 4 years ago

### Hui Ma (view profile)

Conic fit using algebraic parameters based on Trust Region minimization scheme.

TR_conic(XY,ParAini,DeltaIni)

updated 4 years ago

### Hui Ma (view profile)

Conic fit using algebraic parameters based on Levenberg-Marquardt minimization scheme.

fit_conicLMA(XY,ParAini,LambdaIni)

updated 4 years ago

### Hui Ma (view profile)

Ellipse fit using geometric parameters based on Trust Region minimization scheme.

TR_ellipse(XY,ParGIni,DeltaIni)

updated 4 years ago

### Hui Ma (view profile)

Ellipse fits using geometric parameters based on Levenberg-Marquardt minimization scheme.

fit_ellipseLMG(XY,ParGini,LambdaIni)

updated 4 years ago

### Felipe G. Nievinski (view profile)

Facilitates the reuse of matrix factorizations in large dense linear algebra problems.

chol2(varargin)

cputime_res

cputime_tol

updated 4 years ago

### Onkar Raut (view profile)

A simple method for fitting of bounding rectangle to closed regions

fit_rectangle(boundary_points)

updated 4 years ago

### Antoni J. CanÃ³s (view profile)

Fit polynomial to data, with new features as forced to zero coefficients and data weighting.

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

updated 5 years ago

### John D'Errico (view profile)

A linear least squares solver, subject to linear equality constraints

lse(A,b,C,d,solverflag,weights)

updated 5 years ago

### Matthew (view profile)

Ellipse tools

elltools_calc_para(c)

elltools_calc_poly(p, x1, x2)

elltools_conv_par2poly(c)

updated 5 years ago

### Ben Spivey (view profile)

Performs state or parameter estimation of process models using the APMonitor executable.

ModelReplayGUI2(varargin)

cellwrite(filename, cellarray)

tabpanel(varargin)

updated 5 years ago

### michael scheinfeild (view profile)

linear regressing fit to line in the method of gradient descent for minimizing square error

updated 6 years ago

### Alexander Migita (view profile)

Very large autoregressions

xL(y, x, lags)

example.m

updated 6 years ago

### Yury (view profile)

Fits an ellipsoid to data using linear least squares.

ellipsoid_fit( X, flag, equals )

test_ellipsoid_fit.m

updated 6 years ago

### Thomas (view profile)

Fit a two dimensional f(x,y) polynomial to sampled x,y,z data triplets

least_square_polyfit_xyz(x,y,z,m)

updated 6 years ago

### Angshul Majumdar (view profile)

Greedy Algorithms for Underdetermined but Sparse Solutions

StOLS.m

ROLS.m

GenSig(n, k)

updated 6 years ago

### Nikolai Chernov (view profile)

Fits an ellipse to a set of points on a plane; returns the coefficients of the ellipse's equation

EllipseDirectFit(XY)

updated 6 years ago

### Nikolai Chernov (view profile)

Fits an ellipse to a set of points on a plane; returns coefficients of the ellipse's equation.

EllipseFitByTaubin(XY)

updated 6 years ago

### Nikolai Chernov (view profile)

Fits a circle to a set of data points on a plane; returns the circle center (a,b) and radius R.

CircleFitByTaubin(XY)

updated 6 years ago

### Tal Hendel (view profile)

Given a set of points (x, y) this function returns the best fit ellipse.

ellipse_fit(x, y)

updated almost 7 years ago

### Lai Chiong Ching (view profile)

Optimization using both weighted least squares and weighted min-max

egCostFunc(x)

egNlcon(x)

fwlsmm(fun, x0, beta, wls, wmm, A, b, Aeq, beq, lb, ub, n...

updated 8 years ago

### Richard Brown (view profile)

Fit ellipses to 2D points using linear or nonlinear least squares

FITELLIPSE : Least squares ellipse fitting demonstration

fitellipse(x, varargin)

plotellipse(varargin)

updated 8 years ago

### Richard Brown (view profile)

Fits circles to 2D data using nonlinear least squares to minimise geometric error

Fitcircle Demonstration

fitcircle(x, varargin)

test_main.m

updated 8 years ago

### Uriel Roque (view profile)

solve linear least squares problem with nonnegative variables

activeset(A,b)

updated 9 years ago

### John D'Errico (view profile)

Curve fitting, empirical modeling, and an appreciation of shape

fminspleas(funlist,NLPstart,xdata,ydata,INLB,INUB,options)

bestiary.m

shapes.m

updated 10 years ago

### Evan Ruzanski (view profile)

General digital signal processing toolbox for MATLAB containing 20 useful functions.

er_blaschke(f, s, phi)

er_conv(f1,f2)

updated 11 years ago

### Izhak Bucher (view profile)

Fit a circle to a set of measured x,y points.

circfit(x,y)

try_circ_fit.m

updated almost 12 years ago