Example: Identity Bezier and XNURBS if specifications are all = 1. (BEZIER 3 2æ1 0 2 1 3 0)ÃXNURBS 3 2æ1 0 2 1 3 0,þ1 1 Briefly, this paper gives one overview for APL2Prototyping of BEZIER Curves & Surfaces. They formula are familiar to Mathematicians, which must convert that in APL-Notation, computes himself, looks at the result, optimizes at low cost, in a short time, proves the feasibility of this approach. Remember here the merit of our friend Pagnon who had beyond 1986 programmed any Bezier curves, using the VSAPL Release, not yet nested. Note also the conference Tollet-Harrison/APL-1992 "Bezier curves built with straight-lines segments implemented in APL2 for Corel-Draw". The book "Courbes BEZIER-BSPLINESNURBS" (Editor ELLIPSES/1998/PARIS) from MM. Demengel and Pouget provides the algorithms for computing and concludes: This mathematics book discloses the black box of the mathematics embedded in CAD software. APL2 goes 1 step ahead by providing a suitable framework and low-cost prototyping, "without relying on black box software". The future is here based on programmable mathematics and APL2 is an acclaimed tool in this domain. Two Views of The 2001 APL2000 User Conference David Kehoe If you are an APL programmer, or even an
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