Constrained C1 Interpolation On Rectangular Grids.
Chan, E.S. and Kong, V.P. and Ong, B.H. (2004) Constrained C1 Interpolation On Rectangular Grids. Working Paper. Universiti Sains Malaysia.
This paper is concerned with the range restricted interpolation of 'data on rectangular grids. The interpolant is constrained to lie on the same side of the constraint surface as the data. Sufficient non-negativity conditions on the Bezier ordinates are derived to ensure the non-negativity of a bicubic Bezier patch.
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