Preserving-Convexity and Fractal Properties of a Nonlinear Subdivision Scheme
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    Abstract:

    Based on the analysis of the classifical 4 point linear interpolatory subdivision scheme introduced by Dyn, a functional nonlinear discrete subdivision scheme is presented. This scheme has the preserving convexity property, i.e., for any given convex discrete data, when some conditions are satisfied, the subdivision polygon curve produced in any step by this scheme is convex, so the limit curve is also convex. Some numerical examples show that the limit curves are fractal like when the smooth condition is not satisfied.

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丁友东,华宣积.一类非线性细分格式的保凸与分形性质.软件学报,2000,11(9):1263-1267

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History
  • Received:February 28,2000
  • Revised:April 26,2000
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