Approximation of the soil particle-size distribution curve using a NURBS curve by Adéla Marie Marhoul, Tomáš Herza, Josef Kozák, Jaroslava Janků, Jan Jehlička, Luboš Borůvka, Karel Němeček, Miroslav Jetmar, Petr Polák

“…Non-Uniform Rational B-Splines (NURBS) curves therefore represent a generalization of B-splines and Bézier curves by extending the definition by an element of rationality, which is represented by the weights of the control points, and a nodal vector of parametrization, which represents the element of uniformity. …”
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