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Date   File Tags Downloads
(last 30 days) 		Comments Ratings
19 Nov 2009 Screenshot Free-knots spline approximation Least squares approximation of 1D data using free-knots spline Author: Bruno Luong fitting, knot removal, least squares, data compression, free knots, bspline 84 0
29 Oct 2009 Published M-Files SLM - Shape Language Modeling Least squares spline modeling using shape primitives Author: John D'Errico shape, modeling, interpolation, spline, splines, slm 331 11
  • 5.0
5.0 | 10 ratings
09 Sep 2009 Screenshot General Least Squares Regression Multi Dimensional Multivariable Least Squares Regression Author: Husam Aldahiyat polynomial, regression, least, squares, generalized, multidimensional 221 4
  • 3.0
3.0 | 2 ratings
20 Aug 2009 Very large AR regressions Very large autoregressions Author: Alexander Migita least squares, ols, econometrics, autoregression 19 0
17 Aug 2009 sumsqint Finds all distinct ways of writing a number as the sum of squares, i.e. solve x^2+y^2=n for 0<=x<=y. Author: Ben Petschel sum of squares, diophantine 143 1
  • 5.0
5.0 | 1 rating
17 Jul 2009 Screenshot Ellipsoid fit Fits an ellipsoid to data using linear least squares. Author: Yury Petrov fitting, optimization, least squares, self_rating, ellipsoid 101 0
14 May 2009 Discrete Least-Squares Rational Approximation Constructs discrete least-squares rational approximations to data using a full-Newton algorithm. Author: Carlos Borges nonlinear least squar..., data fitting, statistics, rational approximatio..., curve fitting, mathematics 18 0
09 May 2009 3D Least squares polynomial fit in x and y Fit a two dimensional f(x,y) polynomial to sampled x,y,z data triplets Author: Thomas fitting, polynomial, optimization, least squares, image processing, signal processing 58 3
  • 2.0
2.0 | 1 rating
10 Apr 2009 Nlsqbnd Non linear Leasr Squares Solver with box constraints/ Author: Alain Barraud non linear least squa..., hybrid technique, bounds constraints, qr factorization 16 0
18 Mar 2009 Screenshot Four-Parameter Sinefit Least squares sinusoid fit. Optimization toolbox not needed. Data can be non-uniformly sampled. Author: Marko Neitola sinusoid, fit, four parameter, data diagnostic, least squares, leastsquares 25 0
07 Feb 2009 Screenshot Model Replay Performs state or parameter estimation of process models using the APMonitor executable. Author: Ben Spivey moving horizon, data import, process modeling, optimization, least squares, data export 18 0
29 Jan 2009 Orthogonal Least Squares Algorithms for Sparse Signal Reconstruction Greedy Algorithms for Underdetermined but Sparse Solutions Author: Angshul Majumdar matrix, interpolation, simulation, compressive sampling, optimization, least squares 62 0
27 Jan 2009 Screenshot LMFnlsq - Solution of nonlinear least squares Efficient and stable Levenberg-Marquard-Fletcher method for solving of nonlinear equations Author: Miroslav Balda optimization, levenberg, least squares, marquardt, fletcher 212 11
  • 4.11111
4.1 | 9 ratings
16 Jan 2009 Screenshot Ellipse Fit (Direct method) Fits an ellipse to a set of points on a plane; returns the coefficients of the ellipse's equation Author: Nikolai Chernov statistics, optimization, potw, least squares, image processing 124 4
14 Jan 2009 Screenshot Ellipse Fit (Taubin method) Fits an ellipse to a set of points on a plane; returns coefficients of the ellipse's equation. Author: Nikolai Chernov image processing, statistics, optimization, potw, least squares, probabilty 82 0
  • 4.0
4.0 | 1 rating
13 Jan 2009 Screenshot Circle Fit (Taubin method) Fits a circle to a set of data points on a plane; returns the circle center (a,b) and radius R. Author: Nikolai Chernov fitting curves, statistics, optimization, image processing, probability, least squares 174 0
06 Jan 2009 Screenshot Cleve's Corner: Experiments with MATLAB Free, online book for educators and high-school students looking to go beyond the standard courses Author: Linda Webb article, matlab, whitepaper, shallow water, exponential function, magic squares 95 1
20 Dec 2008 Screenshot PIL Parameter Identification Library Author: Giampiero Campa recursive least squar..., rls, simulink, optimization, estimation, parameter identificat... 34 5
  • 3.42857
3.4 | 7 ratings
13 Dec 2008 Ellipse Fit Given a set of points (x, y) this function returns the best fit ellipse. Author: Tal Hendel fit, ellipse, least sqaures, algorithm, least squares 105 1
  • 2.0
2.0 | 1 rating
04 Dec 2008 Lomb normalized periodogram Both functions calculate the Lomb-Scargle periodogram (aka Gauss-Vanicek/Least-squares spectrum) Author: Christos Saragiotis periodogram, scargle, lomb, gauss, transforms, earth science 40 1
  • 3.0
3.0 | 1 rating
08 Nov 2008 Screenshot Analytical solution for Orthogonal Linear Least Squares in two dimensions The function returns the Orthogonal Linear Least Squares estimate for parameters of line ax+by+c=0 Author: Francesco Pozzi statistics, least squares, orthogonal linear lea..., probability, econometrics, orthogonal least squa... 162 0
12 Sep 2008 weighted least-squares + weighted min-max optimization Optimization using both weighted least squares and weighted min-max Author: Lai Chiong Ching minmax, optimization, least squares, function, wrapper, fmincon 23 0
23 Jun 2008 Fminspleas Efficient nonlinear regression fitting using a constrained, partitioned least squares overlay to fmi Author: John D'Errico nonlinear least squar..., optimization, partitioned, fit, curve, fminsearch 240 3
  • 5.0
5.0 | 1 rating
12 May 2008 Least squares with minimum-norm solution Least squares with minimum-norm solution Author: Ivo Houtzager minimum, least, squares, norm, linear algebra, rank 23 3
13 Nov 2007 weighted total least squares straight line fit Calculates the parameters (and their uncertainties) to data with uncertainties in both coordinates Author: Mathias Anton interpolation, total least squares, mathematics, weighted, approximation, uncertainty matrix 102 2
  • 4.0
4.0 | 1 rating
20 Sep 2007 PLS perform PLS calculation by using NIPALS algorithm. Author: Yang Zhang nipals, statistics, probability, partial least squares..., statist 51 4
  • 4.0
4.0 | 1 rating
19 Sep 2007 LSE A linear least squares solver, subject to linear equality constraints Author: John D'Errico regression, least, squares, linear, linear algebra, constraints 182 4
  • 5.0
5.0 | 3 ratings
13 Aug 2007 Screenshot OLS This functions implements the algorithm of Orthogonal Least Squares. It can be used to rank regresso Author: Marco Cococcioni matrix, regressors, functions, linear, linear algebra, ols 168 4
  • 3.5
3.5 | 4 ratings
29 May 2007 Published M-Files fitellipse.m Fit ellipses to 2D points using linear or nonlinear least squares Author: Richard Brown interpolation, conic, fit, ellipse, least squares, approximation 55 2
  • 5.0
5.0 | 2 ratings
21 May 2007 Published M-Files fitcircle.m Fits circles to 2D data using nonlinear least squares to minimise geometric error Author: Richard Brown circle, interpolation, least squares, fitcircle, approximation, gauss newton 34 3
  • 4.66667
4.7 | 3 ratings
18 Apr 2007 active set algorithm solve linear least squares problem with nonnegative variables Author: Uriel Roque algorithm, active set, least squares, linear, linear algebra, nnls 26 3
  • 2.66667
2.7 | 3 ratings
13 Apr 2007 apR2p Approximate determination coefficient (R2) for prediction. Author: Antonio Trujillo-Ortiz r, statistics, probability, prediction error sum ..., determination coeffic..., prediction 16 0
11 Apr 2007 press Prediction error sum of squares. Author: Antonio Trujillo-Ortiz residuals, regression, statistics, residual scaling, probability, prediction error sum ... 48 3
10 Oct 2006 Orthogonal Linear Regression in 3D-space by using Principal Components Analysis Orthogonal Linear Regression by using PCA Author: Ivo Petras pca, orthogonal regression, statistics, total least squares, probability, fitting 135 0
26 May 2006 Rational Polynomial curve fitting Fits a function to a quotient of polynomials Author: Paul Godfrey interpolation, fitting, polynomial, least, fit, squares 131 0
08 Aug 2005 Find numbers which can be expressed as Sum of Squares of Positive Integers Suite of 4 fns to find 2 groups of Positive Integers, whose Sum of Squares equals product of ?r? Pri Author: Sundar Krishnan sum of squares, prime factors, product 133 0
13 Jan 2005 Orthogonal Linear Regression Fits a line y=p0+p1*y to a dataset (xdata,ydata) in an orthogonal way. Author: Per Sundqvist interpolation, linear regression, interpolation orthogo..., least squares fit, approximation 73 10
  • 3.0
3.0 | 8 ratings
22 Dec 2004 Screenshot Comprehensive DSP Toolbox v1.0 General digital signal processing toolbox for MATLAB containing 20 useful functions. Author: Evan Ruzanski blaschke products, least squares, digital filter design, raised cosine, dsp 37 4
  • 4.0
4.0 | 4 ratings
29 Jul 2004 Screenshot Circle fit Fit a circle to a set of measured x,y points. Author: Izhak Bucher circle, interpolation, circle fit, potw, least squares, approximations 166 15
  • 4.27273
4.3 | 11 ratings
05 Jan 2004 Screenshot LMS Toolbox Least median of squares regression and relative algorithms Author: Alexandros Leontitsis robust regression, probability, least median of squar..., statistics 117 3
  • 2.0
2.0 | 5 ratings
17 Dec 2003 polyfit3 Fit polynomial to data, with new features as forced to zero coefficients and data weighting. Author: Antoni J. Canós interpolation, fitting, polynomial fitting, least squares, coefficients, polyfit 13 1
  • 3.0
3.0 | 1 rating
02 Oct 2003 Screenshot fit_ellipse Find the best fit for an ellipse using a given set of points (a closed contour). Author: Ohad Gal ellipse, fit, ls, plotting, least squares, specialized 194 19
  • 5.0
5.0 | 18 ratings
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