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Quasi-interpolation operators on hexagonal grids with high approximation orders in spaces of polyharmonic splines.
Milvia Rossini
Elena Volontè
Published in:
Appl. Math. Comput. (2016)
Keyphrases
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laplacian operator
hexagonal grid
b spline
regular grid
range data
cubic spline
multiscale
spline curve
closed form
gaussian convolution
edge detector
edge detection
approximation error
zero crossing
differential operators
error bounds
artificial neural networks