Naslov
Numerically Stable Algorithm for Cycloidal Splines

Autori
Bosner, Tina ; Rogina, Mladen

Izvornik
Annali dell'Università di Ferrara. Sezione 7: Scienze matematiche (0430-3202) 53 (2007), 2; 189-197

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Chebyshev theory ; cycloidal splines ; knot insertion ; generalized de Boor algorithm

Sažetak
We propose a knot insertion algorithm for splines that are piecewisely in L{; ; ; ; 1, x, sin(x), cos(x)}; ; ; ; . Since an ECC-system on [0, 2*pi] in this case does not exist, we construct a CCC--system by choosing the appropriate measures in the canonical representation. In this way, a B-basis can be constructed in much the same way as for weighted and tension splines. Thus we develop a corner cutting algorithm for lower order cycloidal curves, though a straightforward generalization to higher order curves, where ECC-systems exist, is more complex. The important feature of the algorithm is high numerical stability and simple implementation.

Izvorni jezik
Engleski

Znanstvena područja
Matematika

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