Title :
A choice of weights for convex combination methods in estimating partial derivatives
Author :
Ooi, Y. ; Chang, L.H.T. ; Wong, Y.P. ; Piah, A.R.M.
Author_Institution :
Sch. of Math. Sci., Univ. of Sci. of Malaysia, Pinang, Malaysia
Abstract :
Weights in convex combination methods are important parameters in the estimation of partial derivative values in three dimensional scattered data points. We introduce the three angles of the base triangle as weights in order to have more options for weight variety.
Keywords :
computational geometry; interpolation; surface fitting; convex combination; partial derivatives estimation; weight variety; Computer graphics; Data engineering; Educational institutions; Information technology; Innovation management; Least squares approximation; Least squares methods; Minimization methods; Parameter estimation; Scattering parameters;
Conference_Titel :
Computer Graphics, Imaging and Visualization, 2004. CGIV 2004. Proceedings. International Conference on
Print_ISBN :
0-7695-2178-9
DOI :
10.1109/CGIV.2004.1323991
