I have been interpolating cubic splines to some data, but it is now clear that I need my curves to be monotonic. Wikipedia and StackExchange sources describe how to impose the monotonicity condition while fitting with cubic Hermite splines. However I need my splines in B-spline form and I'm not sure how to translate from Hermite form to B-spline form. Is there a method to do this monotonic interpolation so that the resulting curve is explicitly in B-spline form (i.e. a list of knots and B-spline coefficients)? If not (and this might warrant its own question) how does one take a spline in Hermite form to B-spline form?
2026-03-29 03:04:23.1774753463
Can monotone cubic interpolation be implemented explicitly in B-spline form?
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