Cubic Spline(Javascript)
This javascript module accepts a list of points named "pointL" to build a cubic spline named "f_s".
After construction you can integrate it or take the derivative. If you don't want to see the numbers - change to auxiliary object!
If you want another spline - do NOT forget to rename the old ones or the are lost!
PLAY the construction protocol for example. If you want to apply it for your own work - use this worksheet as template