|Least Square - B Spline (with Data and Knot Input)
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|Author:||Nikolai [ Mon Mar 27, 2017 9:05 am ]|
|Post subject:||Least Square - B Spline (with Data and Knot Input)|
I would need to build a function of an Cubic B Spline with N Data Points and B Knot Points (weight would be optional).
For Example N= 400
Y= a+b*X+c*X^2+d*X^3 + Noise
So i would like to get 4 Cubic Polynomials (first from 1 till 30, second from 30 till 70, third from 70 till 250 and last from 250 till 400).
Would this be possible with the alglib lib?
Thanks a lot
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