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Breaks, Knots, and Sites

Optimize knots and breaks

A spline is a series of polynomial functions joined at intervals called knots or breaks.

Use Curve Fitting Toolbox™ functions to determine the locations of the knots that optimize interpolation.


aptkntAcceptable knot sequence
augkntAugment knot sequence
avekntProvide knot averages
brk2kntConvert breaks with multiplicities into knots
chbpntChebyshev-Demko points
knt2brk, knt2mltConvert knots to breaks and their multiplicities
newkntNew break distribution
optkntKnot distribution “optimal” for interpolation
sortedLocate sites with respect to mesh sites