Original Research

Different approximation for regionalized variables

G. J. van Tonder, J. F. Botha
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 4, No 2 | a1027 | DOI: https://doi.org/10.4102/satnt.v4i2.1027 | © 1985 G. J. van Tonder, J. F. Botha | This work is licensed under CC Attribution 4.0
Submitted: 18 March 1985 | Published: 18 March 1985

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G. J. van Tonder,, South Africa
J. F. Botha,, South Africa

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A regionalized variable is any numerical function with a spatial distribution which varies from one place to another with apparent continuity. Least squares, distance weighted averaging and kriging can be used to approximate these regionalized variables, this paper presents an overview of these methods and shows how Chebychev polynomials are used in conjunction with simple kriging for the approximation of regionalized variables.


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