I was hoping someone could shed some light on the following:-
I have a spline that goes through 4 points:-
x1,y1 - x2,y2 - x3,y3 - x4,y4
The spline is of degree 3 and is fixed at points x1, y1 and x4, y4.
What i need is the equation of the spline.
Is there anyway of calculating the equation that represents the spline?
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It should be possible, although it is a huge pain to do so. I remember having to do it back in college, although have never used it since.
The general method is outlined in http://mathworld.wolfram.com/CubicSpline.html