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updated 3 days ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

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updated 5 days ago

subtri(F,V,n,uniqueOpt) by Kevin Moerman

Kevin Moerman (view profile)

Sub-triangulates patch format data. Can be used to increase the density of triangulated data (triangulation, signal processing, data exploration)

subtri(F,V,n,uniqueOpt)

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updated 8 days ago

Quadratic Spline Interpolation by Ahmed Mekkawy

This MATLAB Code provides quadratic spline interpolation for a set of data points. (interpolation)

Quadratic_Interpolation.m

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updated 16 days ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

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updated 18 days ago

nasa/T-MATS by Jeffryes

Jeffryes (view profile)

Simulink Toolbox for the Modeling and Analysis of Thermodynamic Systems, such as gas turbines (simulation, simulink, example)

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updated 1 month ago

Cubic Splines Made Easy by Chris McComb

Fits a set of cubic splines to given data, and returns an inline function. (cubic splines, curvefitting, interpolation)

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updated 2 months ago

Image Interpolation by Sunil Jaiswal

Implementation of image Interpolation (http://ihome.ust.hk/~spjaiswal/image_interpolation.html) (interpolation, image processing, super resoultion)

nedi_demo(x1)

proposed_algorithm(y1,y2,sun_spia_spia,org_sai_small,or_i...

sri(x,level)

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updated 3 months ago

Bezier Curves by Adrian

Adrian (view profile)

A matlab class for handling n-dimentional bezier curves, parametrized by control points. (bezier curves, matlab, interpolation)

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updated 3 months ago

CUBIC INTERPOLATION METHOD by Sleeba Paul

A non linear optimization using the Cubic Interpolation Method (nonlinear, cubic, interpolation)

cubic.m

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updated 3 months ago

QUADRATIC INTERPOLATION METHOD by Sleeba Paul

Quadratic Interpolation Method with single variable function. (quadratic, interpolation, ssrao)

quadractic_interpolation.m

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updated 3 months ago

inpolygons by Kelly Kearney

Kelly Kearney (view profile)

Finds points inside multiple polygons, holes possible. (approximation, interpolation, polygon)

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updated 4 months ago

iplot(ref,coox,cooy,obx,oby,nc,bw) by Yiwei

Yiwei (view profile)

Plot lines with an inverse grayscale over the background gray-scaled picture. (plot, inverse grayscale, graphics)

iplot(ref,coox,cooy,obx,oby,nc,bw)

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updated 4 months ago

2D and 3D Remapping by Mohammad Abouali

Creates Remapper (Interpolant/Extrapolant) for efficient mapping of data on 2D and 3D grids. (interpolation, extrapolation, least square)

ConstructPolyInterpolant2D(xs,ys,xd,yd,nPoly,nInterp)

ConstructPolyInterpolant3D(xs,ys,zs,xd,yd,zd,nPoly,nInterp)

StructuredGrid_3D_Test1.m

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updated 4 months ago

Numerical Integration Toolbox by George Papazafeiropoulos

Contains several numerical integration rules to evaluate the integral of a function (abscissa, adaptive, chebyshev)

Adaptive Numerical Quadrature Theory

Integration Point Calculation Theory

Quadrature Rule Theory

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updated 5 months ago

SPLINEFIT by Jonas Lundgren

Jonas Lundgren (view profile)

Fit a spline to noisy data. (spline, splinefit, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated 5 months ago

vebyk by Rolf Sidler

vebyk performs ordinary kriging and can be easily adapted to other kriging methods. (kriging, 2d, approximation)

buildbigc3(position,anisotropy,nu,range)

buildsmallc3(position,anisotropy,nu,range)

covcalc(lag,nu,a)

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updated 5 months ago

Radial Basis Function Network by Travis Wiens

Travis Wiens (view profile)

Simulates and trains Gaussian and polyharmonic spline radial basis function networks. (radial basis function, rbf for suren, radial basis function...)

rbf_integral(Xc,X1,X2,k_i,basisfunction)

rbfn_integral(Xc,X1,X2,W,k_i,basisfunction)

sim_rbf(Xc,X,W,k_i,basisfunction)

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updated 5 months ago

Computational Geometry Toolbox by George Papazafeiropoulos

Convex hull, mesh generation, Delaunay triangulation, Voronoi diagram and other algorithms. (bounding box, concave, convex)

Bounding box of a random point set in 2-dimensional space

Bounding box of a random point set in 3-dimensional space

Bounding box of a random point set in 4-dimensional space

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updated 5 months ago

mq_interpolation.m by Orlando Rodríguez

Multiquadrics interpolation. (approximation, interpolation, multiquadrics)

mq_interpolation(r,f,ri,c)

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updated 5 months ago

triparabolic interpolation by Orlando Rodríguez

Triparabolic function interpolation and calculation of derivatives. (3d, approximation, interpolation)

triparinterp(x,y,z,f,nodes)

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updated 5 months ago

biparabolic interpolation by Orlando Rodríguez

Biparabolic surface interpolation and calculation of derivatives. (approximation, interpolation, derivatives)

biparinterp(x,y,f,nodes)

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updated 5 months ago

piecewise cubic interpolation by Orlando Rodríguez

Code to interpolate function values and corresponding derivatives. (approximation, interpolation, derivatives)

pcinterp( x, y, xi, stype )

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updated 5 months ago

piecewise parabolic interpolation by Orlando Rodríguez

Code to interpolate function values and corresponding derivatives. (approximation, interpolation, derivatives)

ppinterp( x, y, xi )

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updated 5 months ago

MATLAB trilinear interpolation by Mehmet OZTURK

Mehmet OZTURK (view profile)

A Matlab mex function to perform trilinear interpolation. (interpolation, signal processing, mex)

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updated 5 months ago

central_diff2(y,deltat,d,a) by Benjamin Strom

Finite difference approximation of any order derivative, any accuracy (interpolation, approximation, algorithm)

central_diff2(y,deltat,d,a)

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updated 6 months ago

interp1gap by Chad Greene

Chad Greene (view profile)

Interpolate over small gaps in x, but not over large gaps in x. (interpolation, interp1, naninterp)

interp1gap documentation

interp1gap(varargin)

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updated 6 months ago

Buck converter - Increased accuracy and simulation speed using interpolation in SimPowerSystems. by Patrice Brunelle

Interpolation method of SPS R2014b to allow larger time step while preserving model accuracy. (accuracy, sampletime, pwm)

DC_DC_BuckConverter.slx

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updated 6 months ago

repnan by Chad Greene

Chad Greene (view profile)

Replace NaNs in a 1D array by interpolation (interpolation, nan, nans)

repnan documentation

repnan(x,method)

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updated 6 months ago

Mutual_Information && joint_entropy by Amir Pasha Mahmoudzadeh

Takes two images and return the mutual information and joint entropy (image processing, interpolation, registration)

[Mutual_Information,joint_entropy]=MutualInformation(x,y)

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updated 7 months ago

Generate Random Numbers from a 2D Discrete Distribution by Tristan Ursell

Tristan Ursell (view profile)

Random numbers from any 2D discrete probability distribution, at any resolution. (discrete, distribution, generate)

[x0,y0]=pinky(Xin,Yin,dist_in,varargin)

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updated 7 months ago

3D mesh transform using sparse control points by Daniel Markel

Performs a 3D non-rigid deformation using irregularly placed transformation vectors (non rigid, deformation, sparse)

inhull(testpts,xyz,tess,tol)

mesh_transform3D2(im,bold,bnew,tmesh,X,Y,Z)

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updated 8 months ago

Interpolation Utilities by Joe Henning

A variety of interpolation utilities (interpolation, piecewise interpolati..., cubic interpolation)

baryinv(x, y, xi, c)

cakima(x, y, xi)

cbezier(x, y, xi)

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updated 9 months ago

3D trilinear interpolation using GPU by Jun Tan

Jun Tan (view profile)

3D trilinear interpolation using GPU. 20 times faster. (3d trilinear interpol..., interp3, interpolation)

interp3_gpu(x, y, z, v, xi, yi, zi)

test.m

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updated 9 months ago

3D Linear Interpolation for GPU by Philip

Philip (view profile)

3D Linear Interpolation for GPU (gpu, interpolation, arrayfun)

Vi=interp3gpu(x1,x2,x3,V,x1i,x2i,x3i)

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updated 9 months ago

Graphical User Interface for Solving Ordinary Differential Equations for In-Vitro Infection by Soumya Banerjee

A graphical user interface to solve a set of ordinary differential equations (in-vitro infection) (data import, data export, gui)

odesolver_outline

odecall_eclipse_tcl_jv_local(target,infected1,...

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updated 9 months ago

lagrange.m by Peter Cervelli

A pretty fast Lagrange interpolation algorithm (lagrange, interpolation, gps)

lagrange(X,Y,x,order)

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updated 10 months ago

TFIData.m by Joshua Hundley

Creates TFI surface of data set fit with splines along the rows and columns of the data set (interpolation, transfinite interpola...)

TFIData(x, y, X, Y, Z)

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updated 10 months ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

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updated 11 months ago

interpm2 by Chad Greene

Chad Greene (view profile)

Densify or interpolate along paths with approximately equal spacing in meters or kilometers. (interpm, interpolation, mapping)

interpm2

interpm2(lat,lon,maxdiff,method,units,tolerance)

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updated 11 months ago

Automated EEG Repair Tool by Kristjan-Julius

Automatically detects and repairs EEG data that is noisy or contains artifacts (eeg, interpolation, automatic)

coreEXE( cfg, data )

defineBadNeigh( cfg, eeg_data )

detectionAlgorithm( prestim, freq, eeg_data )

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updated 11 months ago

Gaussian interpolation with successive corrections by OUC Polar

Code for Gaussian Interpolation with successive corrections (interpolation, gaussian)

gaussian_interpolation.m

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updated 11 months ago

RegularizeData3D by Jamal

Jamal (view profile)

Produces a smooth surface from scattered 3D input data. (3d data, regularizing, approximation)

RegularizeData3D(x,y,z,xnodes,ynodes,varargin)

TestRegularizeData3D_Bicubic_vs_Bilinear.m

TestRegularizeData3D_Coarse_v_Fine_Output_Grids.m

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updated 12 months ago

err_sinc_interp.m by Truong

Truong (view profile)

Sinc interpolation to find maximum spectrum (radar, interpolation, sinc)

err_sinc_interp.m

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updated 12 months ago

Periodical Cubic Interpolation by Jerome Bastien

PERIODICAL PIECEWISE CUBIC HERMITE INTERPOLATING POLYNOMIAL: THE FUNCTIONS PERPCHIP AND PERSPLINE (interpolation)

[er0,er1,er2,er3,t1,t2,t3,t4]=compare_perpchip(N,P)

[er0,er1,er2,er3,t1,t2,t3,t4]=compare_perspline(N,P)

[teste,testcroi,xd,yd]=testperpchip(N,x0,y0)

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updated 1 year ago

interpmask - interpolate (tween) logical masks by Sven

Sven (view profile)

interpmask interpolates (or tweens) masks to transition smoothly between shapes in masks (mask, interp1, interpolation)

interpmask( varargin )

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updated 1 year ago

polyfitn by John D'Errico

John D'Errico (view profile)

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

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

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updated 1 year ago

SLM - Shape Language Modeling by John D'Errico

John D'Errico (view profile)

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

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

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updated 1 year ago

idw.m by Andres Tovar

Inverse distance weight function to interpolate values based on the sampled points (metamodel, inverse distance weig..., interpolation)

idw(X0,F0,Xint,p,rad,L)

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updated 1 year ago

Between numbers by Håvard Falck

Find values betwee original values in a vector (interpolation, vector, linear)

intAB.m

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updated 1 year ago

EzyFit 2.42 by Frederic Moisy

Frederic Moisy (view profile)

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

Discover Ezyfit: A free curve fitting toolbox for Matlab

about_ef (Ezyfit Toolbox)

axis0 (Ezyfit Toolbox)

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