Abstract

Explicit formulae for the coefficients of expansion of q-Bernstein polynomials in terms of little q-Jacobi polynomials and vice versa are given as evaluations of q-Hahn and dual q-Hahn polynomials, respectively. These results are used to derive a procedure for obtaining N points on a q-Bézier curve of degree n in ℝ d , with a cost of O(n 2 + Nnd) operations. E-mail: pawel.wozny@ii.uni.wroc.pl E-mail: egodoy@dma.uvigo.es E-mail: stanislaw.lewanowicz@ii.uni.wroc.pl E-mail: andre.ronveaux@fundp.ac.be

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