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Resumen de A corner cutting algorithm for evaluating rational Bézier surfaces and the optimal stability of the basis

Jorge Delgado Gracia Árbol académico, Juan Manuel Peña Ferrández Árbol académico

  • The usual method to evaluate rational B¿ezier surfaces uses the projection operator and the representation provided by the Bernstein basis. We prove the optimal stability of the basis used in this representation. We also propose an alternative method for evaluating rational surfaces through that representation. We show the stability properties of this last method and prove that it has better properties than other known methods from the point of view of avoiding underflow and overflow.


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