### Refine by Time Frame

updated 2 hours ago

### Chebfun Team (view profile)

Numerical computation with functions

updated 7 days ago

### Frederic Moisy (view profile)

A free curve fitting toolbox for Matlab

Discover Ezyfit: A free curve fitting toolbox for Matlab

axis0 (Ezyfit Toolbox)

updated 8 days ago

### John D'Errico (view profile)

Polynomial modeling in 1 or n dimensions

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

updated 12 days ago

### Sean Scro (view profile)

creates a first derivative approximation of a given function. also use function func_scrosd.m

deriv_scrosd.m

updated 13 days ago

### Keerthi venkateswara Rao (view profile)

Newton-Raphson method for all real roots of the polynomial.

derivate.m

newton(coeff_function,initial_guess,error_tolerance,max_i...

syn_division(coeff_function,fun_root_new)

updated 13 days ago

### Andrew Horchler (view profile)

First- and second-order complex step derivative approximation

updated 25 days ago

### Bing Jian (view profile)

some useful spherical harmonics routines

compute_Ylm.m

SHRotate(r, degree)

angular_correlation(coeff_u,coeff_v)

updated 26 days ago

### Ingo Löhken (view profile)

Direct transform of multivariate series to a polynomial domain by the Gaussian quadrature methods.

updated 1 month ago

### Yo Fukushima (view profile)

Generate evenly spaced points along an existing curve in 2D or 3D.

curvspace(p,N)

updated 1 month ago

### Carlo Castoldi (view profile)

Lagrange polynomial interpolation

lagrange(x,pointx,pointy)

updated 1 month ago

### Arthur Jutan (view profile)

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

polyfit0(x,y,n)

updated 1 month ago

### David de Wolf (view profile)

To find the x values where f(x) = 0 when f(x) is not available as an analytic function of x.

zerocrossing1.m

updated 1 month ago

### Vigneshwar Kalyanasundaram (view profile)

Calculates superposition of curves in a specified range

superposition(x, varargin)

updated 1 month ago

### Kelly Kearney (view profile)

Finds points inside multiple polygons, holes possible.

updated 2 months ago

### Richard Brown (view profile)

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

FITELLIPSE : Least squares ellipse fitting demonstration

ellipsedemo.mlx

fitellipse(x, varargin)

updated 2 months ago

### John D'Errico (view profile)

Model 2-d surfaces from scattered data

gridfit_demo.mlx

gridfit_demo

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

updated 3 months ago

### Sam Murthy (view profile)

Best fit 3D circle to a set of points

CircFit3D(circLocs)

RodriguesRotation(providedPts, origNormal, newNormal)

circFit(x,y)

updated 3 months ago

### Dr. Murtaza Khan (view profile)

Approximation of data using cubic Bezier curve least square fitting

BezierInterpCPMatSegVec(p0mat,p1mat,p2mat,p3mat,NVec,vara...

ChordLengthNormND(p)

FindBezierControlPointsND(p,varargin)

updated 3 months ago

### Karl Skretting (view profile)

Fit a piecewise polynomal, i.e. ppform, to points (x,y) using fixed breaks

ppfit(varargin)

updated 5 months ago

### Orlando Rodríguez (view profile)

Code to interpolate function values and corresponding derivatives.

pcinterp( x, y, xi )

updated 5 months ago

### Lucas Gasparino (view profile)

Crude program for solving a dynamical system with non-linear spring characteristics.

EEM_Dynamical.m

updated 5 months ago

### lukafree (view profile)

IA2RMS is an adaptive MCMC algorithm, for drawing samples from univariate target distributions.

IA2RMS(f,S,M,type)

Sample_Eval_Proposal(f,m,b,S,type,w)

build_proposal(f,S,t,type)

updated 5 months ago

### Dan Martinec (view profile)

A set of functions for numerical simulations of travelling waves in a multi-agent system.

approximate_AWTF(ol_tf_front, ol_tf_rear, option_out, tim)

approximate_BGTF(ol_tf, N, option_out, tim)

approximate_BTF(ol_tf_front, ol_tf_rear, option_BTF, opti...

updated 6 months ago

### Changpin LI (view profile)

This function is a High-order numerical scheme for the advection-diffusion equation.

updated 6 months ago

### Changpin LI (view profile)

This function is a high-order numerical approximations to alpha-th order Caputo derivatives of f(t).

CaputoD.m

updated 6 months ago

### Chebfun Team (view profile)

Numerical computation with functions

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

updated 7 months ago

### Carl Witthoft (view profile)

Test for 'nearly equal'

approxeq(x, y, tolerance)

updated 7 months ago

### Sky Sartorius (view profile)

Very simple to use and robust method that takes array inputs, so it even has advantages over fzero.

bisection(f,lb,ub,target,options)

updated 7 months ago

### Daniel Herber (view profile)

For a specified absolute error tolerance, reduce a 1D data set for use with linear interpolation

EXAMPLES_reduce_interp_1d_linear

hessiancsd_mod(fun,x)

jacobiancsd_mod(fun,x)

updated 7 months ago

### Robert Canfield (view profile)

Calculates numeric gradient using second-order difference formula for unevenly spaced data

central_diff( F, x )

central_diff_test.m

updated 9 months ago

### Dr. Sujit Kumar Sahoo (view profile)

An exact implementation of Orthogonal Matching Pursuit (OMP) as described by the pioneer Y.C. Pati

GetSparseData(m,d,Ns,type)

OMPa(Phi,V,m,alpha,errorGoal)

OMPvar(Phi,V,m,alpha,errorGoal)

updated 9 months ago

### Ali Shaban (view profile)

A set of functions that can be used for approximation of various 2D NMR spectra with 2D Gaussians.

Approximation(xx,yy,I,clusters,peaklist,initialWidth)

drawClusters( clusters )

findClusters( peaklist, dx, dy )

updated 10 months ago

### Zhan Qiu (view profile)

Efficient Approximation Method for Response-Time Tails in Fork-join Queues

build_SA(services, service_h, C)

build_Service_h( service )

build_index(m,cr)

updated 11 months ago

### Xian-Bing Meng (view profile)

This is a metaheuristic algorithm: Novel Bat Algorithm (NBA), proposed by Xian-Bing (2015)

NBA.m

updated 11 months ago

### Xian-Bing Meng (view profile)

This is a new bio-inspired algorithm: Bird Swarm Algorithm, proposed by Xian-Bing (2015)

BSA( FitFunc, M, pop, dim, FQ, c1, c2, a1, a2 )

updated 11 months ago

### manjeet kumar (view profile)

optimal fractional delay infinite impulse response filter design using cuckoo search algorithm

fun(b,a)

FD_IIR_CSA_PSO_GA.m

updated 12 months ago

### GAIL (view profile)

A suite of algorithms for integration problems whose answers are guaranteed to be correct.

Functions

Guaranteed Automatic Integration Library (GAIL)

updated 12 months ago

### Andrew Knyazev (view profile)

For a given function on an interval, the code calculates the min-max approximation by a polynomial.

polyfitinf(M,N,K,X,Y,EPSH,MAXIT,REF0)

updated 1 year ago

### Joseph Santarcangelo (view profile)

Normal Approximation of Binomial Distribution with Continuity Correction

normbin(option)

NormApproxBinomial

main.m

updated 1 year ago

### Hirak Doshi (view profile)

Numerical Volterra Equation Solver

numsolve(a,b,n,h,f,ker )

updated 1 year ago

### Khashayar Khorasani (view profile)

This function approximates the compressive strength of a concrete mix based upon density properties.

ConcreteStrengthApproximator2000.m

updated 1 year ago

### Benjamin Friedrich (view profile)

Smooth noisy time-series faithfully, without distorting lower-order time-derivatives

powersmooth(vec,order,weight)

demo_powersmooth.m

updated 1 year ago

### Jonas Lundgren (view profile)

Fit a spline to noisy data.

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

updated 1 year ago

### Rolf Sidler (view profile)

vebyk performs ordinary kriging and can be easily adapted to other kriging methods.

buildbigc3(position,anisotropy,nu,range)

buildsmallc3(position,anisotropy,nu,range)

covcalc(lag,nu,a)

updated 1 year ago

### Orlando Rodríguez (view profile)

mq_interpolation(r,f,ri,c)

updated 1 year ago

### Orlando Rodríguez (view profile)

Triparabolic function interpolation and calculation of derivatives.

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

updated 1 year ago

### Orlando Rodríguez (view profile)

Biparabolic surface interpolation and calculation of derivatives.

biparinterp(x,y,f,nodes)

updated 1 year ago

### Orlando Rodríguez (view profile)

Code to interpolate function values and corresponding derivatives.

ppinterp( x, y, xi )

updated 1 year ago

### Benjamin Strom (view profile)

Finite difference approximation of any order derivative, any accuracy

central_diff2(y,deltat,d,a)

updated 1 year ago

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