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Find the roots of a cubic B-spline.
Given the knots (>=8) and coefficients of a cubic B-spline return the roots of the spline.
Parameters : | tck : tuple
mest : int
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Returns : | zeros : ndarray
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See also
splprep, splrep, splint, spalde, splev, bisplrep, bisplev, UnivariateSpline, BivariateSpline
References
[R37] | C. de Boor, “On calculating with b-splines”, J. Approximation Theory, 6, p.50-62, 1972. |
[R38] | M.G. Cox, “The numerical evaluation of b-splines”, J. Inst. Maths Applics, 10, p.134-149, 1972. |
[R39] | P. Dierckx, “Curve and surface fitting with splines”, Monographs on Numerical Analysis, Oxford University Press, 1993. |