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Tag Archives: Cardinal spline
Daily Download 22: Splines and Curves
Since it was first published in 2009 my CSpline function has been the most popular download from this site. CSpline (and various associated functions) is used to fit a series of cubic curves through specified points, allowing interpolation along a smooth … Continue reading
Posted in AlgLib, Beam Bending, Charts, Charts, Coordinate Geometry, Excel, Newton, Numerical integration, UDFs, VBA
Tagged Cardinal spline, catenary curve, Cubic spline, curve fitting, Excel, Hermite Spline, Interpolation, UDF, VBA
7 Comments
Cubic Hermitic and Cardinal Splines
In my previous post on splines I described a quick and dirty approach to adjusting a cubic spline to fit monotonic data, which did not meet with universal approval, so I have followed up Mike Woodhouse’s link: (http://en.wikipedia.org/wiki/Monotone_cubic_interpolation) which gives a … Continue reading
Posted in Charts, Excel, Maths, UDFs, VBA
Tagged Cardinal spline, Cubic Hermitic spline, Cubic spline, Excel, monotonic hermitic spline, UDF, VBA
8 Comments
