Asymptotic Frame Fields of Rational Bézier Curves

Bézier curves are a type of used in computer aided design and related fields. The can be defined with the help De Casteljau algorithm, which is one most basic elements curve surface design, Bernstein polynomials, facilitate theoretical developments. A rational may evaluated by applying de algorithm to both numerator denominator finally dividing through. suitable control points corresponding scalar weights. In this work, we constitute asymptotic orthonormal frame field spacelike quadratic at all on 2 3-dimensional lightlike cones degenerate surfaces Minkowski 3 4-spaces. We get formulas curvatures for cones.