Planar cubic G1 interpolatory splines with small strain energy

  • Authors:
  • Gašper Jaklič;Emil agar

  • Affiliations:
  • FMF and IMFM, University of Ljubljana, Jadranska 19, Ljubljana, Slovenia and PINT, University of Primorska, Jadranska 19, Ljubljana, Slovenia;FMF and IMFM, University of Ljubljana, Jadranska 19, Ljubljana, Slovenia

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2011

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Abstract

In this paper, a classical problem of the construction of a cubic G^1 continuous interpolatory spline curve is considered. The only data prescribed are interpolation points, while tangent directions are unknown. They are constructed automatically in such a way that a particular minimization of the strain energy of the spline curve is applied. The resulting spline curve is constructed locally and is regular, cusp-, loop- and fold-free. Numerical examples demonstrate that it is satisfactory as far as the shape of the curve is concerned.