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Journal for Geometry and Graphics 09 (2005), No. 1, 043--049
Copyright Heldermann Verlag 2005

Symmetric Alteration of Two Knots of B-Spline Curves

Miklós Hoffmann
Inst. of Mathematics and Computer Science, Károly Eszterházy College, P. O. Box 43, 3300 Eger, Hungary

Imre Juhász
Dept. Descriptive Geometry, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary

B-spline curves are defined in a piecewise way over a closed interval, where the interval section points are called knots. In some recent publications geometrical properties of the modification of one knot value are discussed. The aim of this paper is to describe an effect of the symmetric modification of two knots.

Keywords: B-spline curve, knot modification, path.

MSC: 68U05

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