M.B. Small, R.M. Potemski
Proceedings of SPIE 1989
Interpolation from C1 cubics at the vertices of a triangulation is in general not stable and C1 cubics over a triangulation cannot, in general, match prescribed Bernstein-Bezier center coefficients.
M.B. Small, R.M. Potemski
Proceedings of SPIE 1989
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WSC 1985
Zhengxin Zhang, Ziv Goldfeld, et al.
Foundations of Computational Mathematics
Shu Tezuka
WSC 1991