TY - JOUR
T1 - New minimal bounds for the derivatives of rational Bezier paths and rational rectangular Bezier surfaces
AU - Bez, Neal
AU - Bez, Helmut
PY - 2013
Y1 - 2013
N2 - New minimal bounds are derived for the magnitudes of the derivatives of the rational Bézier paths and the rational rectangular Bézier surface patches of arbitrary degree, which improve previous work of this type in many cases. Moreover, our new bounds are explicitly given by simple and closed-form expressions. An important advantage of the closed-form expressions is that they allow us to prove that our bounds are sharp under certain well-defined conditions. Some numerical examples, highlighting the potential of the new bounds in providing improved estimates, are given in an appendix.
AB - New minimal bounds are derived for the magnitudes of the derivatives of the rational Bézier paths and the rational rectangular Bézier surface patches of arbitrary degree, which improve previous work of this type in many cases. Moreover, our new bounds are explicitly given by simple and closed-form expressions. An important advantage of the closed-form expressions is that they allow us to prove that our bounds are sharp under certain well-defined conditions. Some numerical examples, highlighting the potential of the new bounds in providing improved estimates, are given in an appendix.
U2 - 10.1016/j.amc.2013.09.039
DO - 10.1016/j.amc.2013.09.039
M3 - Article
SN - 0096-3003
VL - 225
SP - 475
EP - 479
JO - Applied Mathematics and Computation
JF - Applied Mathematics and Computation
ER -