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updated 1 month ago

Extended DFT by Vilnis Liepins

Vilnis Liepins (view profile)

Program EDFT produce high-resolution N-point DFT for N greater than the length of data vector. (spectral analysis, fft, dft)

edft(X,N,I,W)

edft2(x,mrows,ncols)

inedft(F,fn,tn)

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updated 3 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 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 1 year ago

Inpaint over missing data in 1-D, 2-D, 3-D,... N-D arrays by Damien Garcia

Damien Garcia (view profile)

Y = INPAINTN(X) computes the missing data in the N-D array X. (inpaint, griddatan, interpolation)

inpaintn(x,n,y0,m)

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updated 2 years ago

TEMPORAL DISAGGREGATION LIBRARY by Enrique M. Quilis

Temporal disaggregation of economic time series (statistics, econometrics, time series)

[]=mtd_plot(res)

[]=td_plot(res)

[]=tduni_plot(res)

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updated 2 years ago

LERP: fast n-dimensional linear interpolation & extrapolation by Sky Sartorius

Sky Sartorius (view profile)

Interpolate from X and Y data and n-dim array. Can also extrapolate above/below X if desired. (interp, interp1, interp1q)

lerp(x,y,xi,extrapspan)

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updated 2 years ago

inpaint_nans by John D'Errico

John D'Errico (view profile)

Interpolates (& extrapolates) NaN elements in a 2d array. (nan, inpainting, replace)

(nn(:,1)<1)|(nn(:,1)>n)|(nn(:,2)<1)|(nn(:,2)>m); nn(L,...

valid{ind}; end end

inpaint_nans_demo.m

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updated almost 3 years ago

Biorhythm by Cleve Moler

Cleve Moler (view profile)

How is your week going? (games, biorhythm, extrapolation)

biorhythm(birthday)

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updated 3 years ago

QUADGR by Jonas Lundgren

Jonas Lundgren (view profile)

Gauss-Legendre quadrature with Richardson extrapolation. (quadrature, integral, approximation)

quadgr(fun,a,b,tol,trace,varargin)

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updated 4 years ago

Surface Fitting using gridfit by John D'Errico

John D'Errico (view profile)

Model 2-d surfaces from scattered data (approximation, interpolation, modeling)

gridfit_demo

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

test_main.m

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updated almost 6 years ago

Temporal Disaggregation Library by Enrique M. Quilis

Temporal disaggregation of economic time series (statistics, modeling, econometrics)

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updated almost 6 years ago

Richardson Extrapolation by Rhys

Rhys (view profile)

A generalized Richardson extrapolation routine with many bells and whistles. (taylor, richardson, extrapolation)

richardson( A1s, kis, t, exact )

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updated 7 years ago

lpredict by Malcolm Lidierth

Data extrapolation through linear prediction (approximation, interpolation, linear)

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updated 10 years ago

extrap1.m by Daniel Feldman

Modified interpolation program. (interpolation, modified, interp1m)

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updated 13 years ago

Janni Reto by janni reto

PGC algorithm for extrpolation b-bandlimited functions. (spectral analysis, signal processing, extrapolation)

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