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Cokriging with matlab

by Denis Marcotte
Computers & Geosciences ()


A program termed COKRI is presented, which will perform point or block kriging or cokriging in any number of dimensions, with any number of variables and basic structures. Different forms of cokriging are offered by COKRI: simple, ordinary with one nonbias condition or with the usual p (number of variables) nonbias conditions, and universal cokriging with drift of order 1 or 2. Factorial kriging or cokriging also can be performed. All the basic structures can have different geometric anisotropies thus allowing great modeling flexibility. The addition of a new basic model to the five currently offered by COKRI requires only one line of code. The program operates within the user-friendly Matlab environment.

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