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POSITIVITY PRESERVING INTERPOLATION BY USING RATIONAL CUBIC BALL SPLINE
2016
Jurnal Teknologi
This paper discusses the positivity preserving by using rational cubic Ball interpolant of the form cubic/quadratic with two parameters. The sufficient condition for the positivity is derived on one parameter meanwhile the other one is a free parameter to control the final shape of the interpolating curves. The degree smoothness achieved is . From numerical results, the rational cubic Ball spline with two parameters gives smooth interpolating positive curves as well as visually pleasing for
doi:10.11113/jt.v78.8107
fatcat:5qmqe2i32jge7ggjnul4k5s6kq