Evaluate Finite Element bases and their Derivatives at a set of locations
Only executed when the function
smooth.FEM.basis is run with the option
FALSE. It evaluates the Finite Element basis functions and their derivatives up to order 2 at the specified set of locations.
This version of the function is implemented using only R code. It is called by R_smooth.FEM.basis.
A 2-columns matrix with the spatial locations where the bases should be evaluated.
A vector of lenght 2 specifying the order of the partial derivatives of the bases to be evaluated. The vectors' entries can be 0,1 or 2, where 0 indicates that only the basis functions, and not their derivatives, should be evaluated.
A matrix of basis function values. Each row indicates the location where the evaluation has been taken, the column indicates the basis function evaluated
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