Questions on the spline-related functions of Mathematica (BezierCurve[], BSplineCurve[], etc.).

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1
vote
2answers
739 views

Derivative of a spline approximation

To approximate an experimental data function $f(t)$ with $t \in (t_{min},t_{max})$ I used a cubic spline $s(p)=(t(p),f(p))$ with the parameter $p \in (0,1)$ and $p = t/(t_{max}-t_{min})$ by using the ...
6
votes
1answer
455 views

BSplineCurve Interpolation

Can I get interpolated values from this B-spline, (shown in red)? ...
24
votes
2answers
2k views

Joining and interpolating data points

I wonder what is the best practice for interpolating curves? Usually I'm using BSplineCurve and adjusting SplineWeights so it ...
11
votes
1answer
2k views

Fitting a spline to data with FindFit?

I am trying to find a function that fits my almost linear data. A high order polynomial model has too much residual. So I was hoping to use Mathematica to fit splines to the curve. This is what I ...
9
votes
1answer
256 views

SplineDegree->1 does not work with BezierFunction?

This works (SplineDegree -> 2) ...