tomtomtom Posted March 17, 2012 Share Posted March 17, 2012 Hello all 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? Thanks Quote Link to comment Share on other sites More sharing options...
Organic Posted March 17, 2012 Share Posted March 17, 2012 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 Quote Link to comment Share on other sites More sharing options...
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