Mathematics – Numerical Analysis
Scientific paper
2010-07-16
Mathematics
Numerical Analysis
16 pages
Scientific paper
The inversion problem for rational B\'ezier curves is addressed by using resultant matrices for polynomials expressed in the Bernstein basis. The aim of the work is not to construct an inversion formula but finding the corresponding value of the parameter for each point on the curve. Since sometimes one has only an approximation of that point the use of the singular value decomposition, a key tool in numerical linear algebra, is shown to be adequate.
Marco Ana
Martinez José-Javier
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