<< NL_F_ReverseVector NL_F: Function NL_F_SemiVariogramFit >>

NARVAL >> NL_F: Function > NL_F_SemiVariogram

NL_F_SemiVariogram

Perform the semi-variogram of a 2D dataset.

Calling Sequence

[K,L,D,S] = NL_F_SemiVariogram(X,Y,Z)

Arguments

X :

x-coordinate of the measurements.

Y :

y-coordinate of the measurements.

Z :

Value of the measurements.

K :

Index vector (head).

L :

Index vector (tail).

D :

Distance vector.

S :

Semi-variance vector.

Description

NL_F_SemiVariogram performs the semi-variance vector (WIKIPEDIA) S of a dataset described with measurement points of values Z located in [X,Y]. [K,L] provides the source and destination (inter-distance D) of all couples of points where we compute the semi-variance parameter.

Examples

x=[1,3,1,4,5];
y=[5,4,3,5,1];
z=[100,105,105,100,115];
[k,l,d,s]=NL_F_SemiVariogram(x,y,z);//application of NL_F_SemiVariogram

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