论文信息 - Nonnegative quadratic Bézier triangular patches

Nonnegative quadratic Bézier triangular patches

Abstract A short proof of the conditions for nonnegativity of quadratic Bezier triangular patches presented in (Nadler, 1992) is given. Alternative conditions are also developed.

Thomas W. Sederberg | Gengzhe Chang | G. Chang | T. Sederberg

[1] K. P. Hadeler,et al. On copositive matrices , 1983 .

[2] Edmond Nadler,et al. Nonnegativity of bivariate quadratic functions on a triangle , 1992, Comput. Aided Geom. Des..

[3] Charles A. Micchelli,et al. Some Remarks on Nonnegative Polynomials on Polyhedra , 1989 .