Contains methods for creating multivariate/multidimensional interpolations of functions on a hypercube. If available through fftw3, the DCT-II/FFT is used to compute coefficients for a Chebyshev interpolation. Other interpolation methods for arbitrary Cartesian grids are also provided, a piecewise multilinear, and the Floater-Hormann barycenter method. For scattered data polyharmonic splines with a linear term is provided. The time-critical parts are written in C for speed. All interpolants are parallelized if used to evaluate more than one point.
|Author||Simen Gaure [aut, cre] (<https://orcid.org/0000-0001-7251-8747>)|
|Maintainer||Simen Gaure <[email protected]>|
|Package repository||View on CRAN|
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