Nonuniform web-splines

@article{Hllig2003NonuniformW,
  title={Nonuniform web-splines},
  author={Klaus H{\"o}llig and Ulrich Reif},
  journal={Computer Aided Geometric Design},
  year={2003},
  volume={20},
  pages={277-294}
}
The construction of weighted extended B-splines (web-splines), as recently introduced by the auth J. Wipper for uniform knot sequences, is generalized to the nonuniform case. We show that web-splin a stable basis for splines on arbitrary domains in R which provides optimal approximation power. Moreov homogeneous boundary conditions, as encountered frequently in finite element applications, can be exactly by using an appropriate weight function. To illustrate the performance of the method, it is… CONTINUE READING
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