问题
Possible Duplicate:
Akima interpolation of an array of doubles
I'm searching for an algorithm for Akima interpolation, but I can't find one after googling for a while. I write my application in Objective-C, but the programming language doesn't matter.
It would be very kind if you can provide any code or links. Thanks
回答1:
edit:
see this SO answer for an updated version of the list below.
original answer:
Akima's original paper
http://student.ndhu.edu.tw/~u9111023/akima.pdf
C# implementation
https://github.com/mathnet/mathnet-numerics/blob/master/src/Numerics/Interpolation/Algorithms/AkimaSplineInterpolation.cs
C++ implementation
http://www.koders.com/cpp/fid1393B9D668316C1700966643DE0609660B9CB13A.aspx?s=%22Brian+Smith%22
C implementation
http://packages.debian.org/source/squeeze/spline
Akima's Fortran implementation
http://cran.r-project.org/web/packages/akima/
Fortran 90 implementation
http://miyoshi.googlecode.com/svn-history/r72/trunk/common/common.f90
Lisp implementation "for AutoCAD 2d-Polylines"
http://autocad.xarch.at/code/candido/akima.lsp
Matlab implementation
http://www.mathworks.se/matlabcentral/fileexchange/1814-akima-interpolation
Python implementation
http://www.lfd.uci.edu/~gohlke/code/akima.py.html
来源：https://stackoverflow.com/questions/4625604/akima-interpolation-algorithm