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| Date | File | Tags |
Downloads (last 30 days) |
Comments | Ratings | |
| 29 Oct 2009 |
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SLM - Shape Language Modeling Least squares spline modeling using shape primitives | 332 | 10 | ||
| 27 Oct 2009 | ALTSUM Convergence acceleration of alternating series. | 34 | 0 | |||
| 08 Oct 2009 |
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Matrix Analysis of Two Dimensional Bar Structures MABS2D This program solves bar structures of constant area through matrix analysis of structures. | 91 | 2 | ||
| 28 Aug 2009 |
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Fit a spline to noisy data Fit a spline to noisy data. | 142 | 14 | ||
| 29 Jul 2009 |
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nanderivative.m v2.1 (Jul 2009) N-order derivative of vector data by interpolating nearby points, ignoring NaNs. | 146 | 0 | ||
| 19 Jul 2009 |
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A Numerical Tour of Signal Processing A set of Matlab experiments that illustrates advanced computational signal and image processing. | 274 | 18 | ||
| 17 Jul 2009 |
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Thin Plate Spline Network with Radiohead Example Thin plate splines can be used to interpolate nonuniform data, such as the Radiohead dataset, which | 156 | 1 | ||
| 09 Jul 2009 |
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2D Cubic Beizer Curve Evaluate and plot 2D cubic bezier curve for given four control points. | 162 | 3 | ||
| 09 Jul 2009 |
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Cardinal Spline (Catmull-Rom) Spline Evaluates and plot 2D Cardinal Spline (Catmull-Rom) Spline. | 119 | 0 | ||
| 09 Jul 2009 |
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Approximation of Circle Using Cubic Bezier Curve Approximation of unit radius circle with four parametrix bezier curves | 142 | 4 | ||
| 09 Jul 2009 |
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Approximation of 2-D Data by Natural Cubic Spline Approximation (Data Fitting) by Natural Cubic Spline. | 166 | 5 | ||
| 09 Jul 2009 |
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Bezier Interpolation in N-Dimension Space Bezier interpolation for given four control points. Each control point can be in N-Dimensional. | 190 | 4 | ||
| 09 Jul 2009 |
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N Dimensional Cardinal Spline (Catmull-Rom) Spline Interpolation N -Dimensional Cardinal Spline (Catmull-Rom) Spline Interpolation | 173 | 4 | ||
| 09 Jul 2009 |
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cubic Bezier least square fitting Approximation of data using cubic Bezier curve least square fitting | 169 | 0 | ||
| 23 Jun 2009 | DIFFERENT An alternative to GRADIENT for non-uniform grids. | 18 | 0 | |||
| 21 Jun 2009 |
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Chebfun Numerical computation with functions instead of numbers. | 43 | 5 | ||
| 15 Jun 2009 |
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ODE Solver through Galerkin Method This program solves Ordinary Differential Equations by using the Galerkin method. | 78 | 2 | ||
| 15 Jun 2009 |
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Line Simplification Recursive Douglas-Peucker Polyline Simplification | 162 | 3 | ||
| 09 Jun 2009 | Richardson Extrapolation A generalized Richardson extrapolation routine with many bells and whistles. | 114 | 0 | |||
| 20 May 2009 | Calculate roots of Chebyshev polynomials. Calculate the roots of a Chebyshev polynomial of arbitrary degree. | 40 | 3 | |||
| 19 May 2009 | interpsinc.m This M-File interpolates a sampled function using sin(x)/x | 22 | 0 | |||
| 19 May 2009 | vebyk vebyk performs ordinary kriging and can be easily adapted to other kriging methods. | 54 | 0 | |||
| 14 May 2009 | Discrete Least-Squares Rational Approximation Constructs discrete least-squares rational approximations to data using a full-Newton algorithm. | 19 | 0 | |||
| 05 May 2009 | Single-variable linear level finding ("inverse" INTERP1): findX Estimates the XI values at which the dependent variables Y reach a specified level YI. | 36 | 3 | |||
| 26 Mar 2009 | Orthogonal Least Squares Algorithm for RBF Networks The code implements the OLS algorithm for func approx. | 28 | 0 | |||
| 17 Mar 2009 | QUADGR Gauss-Legendre quadrature with Richardson extrapolation. | 76 | 1 | |||
| 13 Mar 2009 |
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smooth2a Smooths a 2D matrix using a mean filter over a user-defined rectangle. Ignores and preserves NaNs. | 53 | 2 | ||
| 19 Feb 2009 | saturation function This file contains an approximation of the saturation of a function between the values [-1,1]. | 140 | 0 | |||
| 05 Feb 2009 |
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EzyFit 2.30 A free curve fitting toolbox for Matlab | 280 | 51 | ||
| 20 Jan 2009 |
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Function Approximation Encoding allows to represent any L2 function through a set of coefficients in a proper base. | 27 | 0 | ||
| 09 Dec 2008 | fastsearch Search an element in the array, or the next smaller and greater | 5 | 8 | |||
| 12 Nov 2008 | 3D Data Interpolation 3D interpolation using modified 4-point vector Newton interpolation | 95 | 5 | |||
| 10 Nov 2008 |
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Carathéodory-Fejér approximation Compute the "best" rational approx. for the exponential on R_ (as Trefethen did). | 15 | 0 | ||
| 13 Oct 2008 | MATLAB trilinear interpolation A Matlab mex function to perform trilinear interpolation. | 23 | 3 | |||
| 10 Oct 2008 | Newton Raphson Newton Raphson General | 74 | 3 | |||
| 19 Sep 2008 | Routh Approximation Computes the reduced order model for a stable system | 105 | 1 | |||
| 25 Aug 2008 |
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Inpainting nan elements in 3-d An extension of inpaint_nans to 3 dimensions | 141 | 3 | ||
| 01 Aug 2008 |
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Stationary phase approximation for performing Fourier Transforms Performs a Fourier Transform of a function using the stationary phase approximation | 115 | 0 | ||
| 30 Jul 2008 |
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Adaptive Algorithm for Linear Parabolic Problems for 2D Polygonal Domain Algorithm solves linear parabolic problem with space-time dependent coefficients adaptively in time | 37 | 0 | ||
| 03 Jun 2008 |
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Real-Valued Spherical Harmonics some useful spherical harmonics routines | 37 | 1 | ||
| 28 Apr 2008 | N-Dimensional BSplines Construct coefficients of interpolating or smoothing BSplines from N-dimensional array, analytically | 57 | 2 | |||
| 20 Mar 2008 |
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Polyfitn N-d polynomial regression model | 281 | 32 | ||
| 06 Mar 2008 | Muller Find a zero crossing of a real or complex function using Muller's method | 77 | 5 | |||
| 04 Mar 2008 | Zero crossings To find the x values where f(x) = 0 when f(x) is not available as an analytic function of x. | 21 | 2 | |||
| 26 Feb 2008 |
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Fast and Robust Curve Intersections Computes intersection points of two curves. | 284 | 31 | ||
| 18 Feb 2008 |
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fitgaussian fit a gaussian like curve to data | 21 | 2 | ||
| 15 Feb 2008 | BessDerivZerosBisect Calculates the zeros of J_m prime | 57 | 1 | |||
| 13 Feb 2008 |
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Polybase Multi-Dimensional Polynomial Interpolation Functions | 22 | 3 | ||
| 15 Jan 2008 |
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igft Computes the reconstruction of data from a user-given basis. Makes plots. | 146 | 0 | ||
| 02 Jan 2008 |
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Pressure-volume isotherms for a Bragg-Williams lattice gas Computes pressure-volume isotherms for a Bragg-Williams lattice gas | 20 | 1 | ||
| 30 Nov 2007 |
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Piecewise parabolic interpolation Code to interpolate function values and corresponding derivatives. | 213 | 0 | ||
| 30 Nov 2007 |
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Piecewise cubic interpolation Code to interpolate function values and corresponding derivatives. | 105 | 4 | ||
| 30 Nov 2007 | Biparabolic interpolation Biparabolic surface interpolation and calculation of derivatives. | 133 | 0 | |||
| 30 Nov 2007 | Triparabolic interpolation Triparabolic function interpolation and calculation of derivatives. | 86 | 0 | |||
| 20 Nov 2007 |
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Piecewise spline interpolation Code to interpolate function values and corresponding deivatives. | 124 | 2 | ||
| 20 Nov 2007 |
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GNURBS Interactive manipulation of NURBS surface/curve | 172 | 3 | ||
| 13 Nov 2007 | weighted total least squares straight line fit Calculates the parameters (and their uncertainties) to data with uncertainties in both coordinates | 100 | 2 | |||
| 05 Nov 2007 | Function Approximation Using Neural Network Without using Toolbox This code implements the basic backpropagation of error learning algorithm | 118 | 2 | |||
| 01 Nov 2007 | Constrained LLA to predict a chaotic time series It should work with the noisy time series of limited length | 31 | 1 | |||
| 22 Oct 2007 |
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lpredict Data extrapolation through linear prediction | 150 | 0 | ||
| 18 Oct 2007 |
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Triangular Mesh Refinement This function refines any closed triangular mesh with 4-split spline interpolation | 159 | 5 | ||
| 10 Oct 2007 | Orthogonal Linear Regression Fit data using orthogonal linear regression. | 41 | 1 | |||
| 28 Sep 2007 | Runge Kutta Ballistic Propagation Computes RungeKutta ballistic model propagation | 30 | 0 | |||
| 28 Aug 2007 | findFWHM Finds the full width at half maxium (FWHM) of a real function. | 160 | 0 | |||
| 28 Aug 2007 | uniquify Ensures a given set of values is unique (adds a very small number to duplicate values) | 99 | 3 | |||
| 13 Aug 2007 | Path Loss Plot Gaussian variable for path loss | 36 | 4 | |||
| 20 Jul 2007 | Newton-Raphson Newton-Raphson method for all real roots of the polynomial. | 981 | 45 | |||
| 18 Jul 2007 |
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FILLNANS FILLNANS replaces all NaNs in array using inverse-distance weighting between non-NaN values. | 119 | 5 | ||
| 13 Jul 2007 | areaintersection.m Approximates the area of intersection of two polygons | 26 | 0 | |||
| 26 Jun 2007 | Successive approximation ADC ADC converter with finite DAC's slew-rate and bandwith | 67 | 0 | |||
| 11 Jun 2007 | Bisection Computes the root of a function f by bisectioning. | 71 | 0 | |||
| 01 Jun 2007 |
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meetpoint Meet points points and slopes of curves. | 165 | 2 | ||
| 29 May 2007 | Real roots on interval Find all real roots of an arbitrary function over an arbitrary interval | 30 | 0 | |||
| 29 May 2007 |
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fitellipse.m Fit ellipses to 2D points using linear or nonlinear least squares | 58 | 2 | ||
| 21 May 2007 |
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fitcircle.m Fits circles to 2D data using nonlinear least squares to minimise geometric error | 34 | 3 | ||
| 13 Apr 2007 |
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gridtrimesh Fits a square grid surface of the form z = f(x,y) to a triangular mesh surface. | 58 | 9 | ||
| 01 Apr 2007 | NRBLOFT Loft nurbs surface from adjacent curves or lines | 160 | 0 | |||
| 01 Apr 2007 |
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Hermite interpolation This is a solution of Hermite interpolation problem. | 69 | 1 | ||
| 20 Mar 2007 |
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Symbolic form of Chebisev polinomial This function returns the symbolic form of Chebisev polinomials. | 9 | 0 | ||
| 14 Mar 2007 | NURBS Converted NURBS toolbox | 208 | 11 | |||
| 06 Feb 2007 | rsquare calculate rsquare from data y and estimate yhat | 162 | 2 | |||
| 02 Jan 2007 | LibLip - Matlab toolbox for multivariate scattered data approximation Uses Lipschitz properties of a function to interpolate or approximate it from scattered data. | 30 | 0 | |||
| 15 Dec 2006 |
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EQSP: Recursive Zonal Sphere Partitioning Toolbox A suite of Matlab functions intended for use in exploring equal area sphere partitioning. | 18 | 0 | ||
| 07 Dec 2006 |
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Lagrange Interpolator Polynomial Find the polynomial (defined by its coefficients) passing through a set of points. | 135 | 6 | ||
| 30 Nov 2006 |
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tinterp - an alternative to griddata Linear and quadratic interpolation for scattered data | 25 | 3 | ||
| 25 Oct 2006 | Random number generation Function which generation n random numbers between 0 and 1 | 19 | 4 | |||
| 23 Oct 2006 | Superposition Calculates superposition of curves in a specified range | 18 | 0 | |||
| 18 Oct 2006 | Gauss-Jacobi quadrature Weights and abscissae for radiance-to-flux conversion | 139 | 4 | |||
| 09 Oct 2006 |
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Scattered Data Interpolation and Approximation using Radial Base Functions Set of functions that can be used for interpolation and and approximation of scattered data of any d | 93 | 8 | ||
| 26 Sep 2006 |
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Singular Fourier-Pade approximation Circumvention of the Gibbs phenonmenon though Pade approximations with singularities | 91 | 0 | ||
| 25 Aug 2006 | Fuzzy Approximation This is a simple function approximation method I | 37 | 2 | |||
| 24 Aug 2006 | lagrange interpolation and derivative This function performs the Lagrange interpolation of a function and its derivative. | 53 | 0 | |||
| 22 Aug 2006 |
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Surface Fitting using gridfit Model 2-d surfaces from scattered data | 436 | 46 | ||
| 16 Aug 2006 | Derivative: Central Difference Approximation Compile this mex file for central difference approximation of the derivative of a function. | 36 | 0 | |||
| 08 Aug 2006 | Least-Squares optimal affine subspace Computes the affine subspace (eg, line, plane) that optimally fits the input data | 122 | 2 | |||
| 31 Jul 2006 | Legendre Transformation of a one variable function Given a function F and a vector x, returns two vectors of numbers xx=F'(x) and yy=F(x)-x*xx | 9 | 0 | |||
| 05 Jul 2006 |
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pagerank A suite of drivers to compute the PageRank vector for a directed graph. | 121 | 3 | ||
| 29 Jun 2006 | Multidimensional interpolation with integer inputs Multidimensional interpolation supporting integer inputs without converting to double | 127 | 0 | |||
| 28 Jun 2006 |
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inpaint_nans Interpolates (& extrapolates) NaN elements in a 2d array. | 200 | 27 | ||
| 31 May 2006 |
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Fast 2-dimensional interpolation Provides a 5x-50x speedup over interp2 | 132 | 4 | ||
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