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updated 1 year ago

Experimental (Semi-) Variogram by Wolfgang Schwanghart

calculate the isotropic and anisotropic experimental (semi-) variogram (geostatistics, spatial modelling, variogram)

variogram.m

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updated 2 years ago

Random Field Simulation by Paul Constantine

Generate multivariate conditional random fields given a mesh and covariance information. (gaussian process, conditional random fi..., kriging)

correlation_fun(corr,mesh1,mesh2,spthresh,matvec,x)

randomfield(corr,mesh,varargin)

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updated 3 years ago

Kriging and Inverse Distance Interpolation using GSTAT by James Ramm

InterpolationGstat performs inverse distance or kriging interpolation using gstat. (inverse distance, kriging, interpolation)

R=ImportSurferGrd(filename)

[av_dist,gamma,h,np]=SampleVarioGstat(x,y,z,varargin)

[xi,yi,zi]=InterpolationGstat(x,y,z,res,radius,method,use...

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updated almost 4 years ago

Ordinary Kriging by Wolfgang Schwanghart

2D-interpolation using geostatistics (geostatistics, variogram, kriging)

kriging.m

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updated almost 4 years ago

variogramfit by Wolfgang Schwanghart

fits different theoretical variograms to an experimental variogram (variogram, geostatistics, spatial statistics)

variogramfit.m

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updated 5 years ago

vebyk by Rolf Sidler

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

buildbigc3(position,anisotropy,nu,range)

buildsmallc3(position,anisotropy,nu,range)

covcalc(lag,nu,a)

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updated 8 years ago

Surfer Griddata by Aslak Grinsted

A gridding interface with surfer (v7). Works just like griddata. (griddata, surfer, kriging)

[Xi,Yi,Zi]=surfergriddata(X,Y,Z,Xi,Yi,method)

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updated 8 years ago

Akima Interpolation by N. Shamsundar

Interpolate smooth curve through given points on a plane. (specialized, plotting, fit)

yi=akimai(x,y,xi)

AkimaTst.m

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