Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
Sereno A. Barr-Kumarakulasinghe wrote: > > Does any one have routines to do Empirical Orthogonal Function analysis > of arrays. I have looked at Peter Rileys IDL pro searchable > web page and other pages as well. I see that there are routines to > do principal components, but not EOF analysis. > Hi there I am not familiar with the EOF analysis, but I guess it has something to do with a decomposition technique with many names in different research communities: Karhunen-Loeve decomposition, Proper Orthogonal Decomposition, Bi Orthogonal Decomposition and finally the Singular Value Decomposition. There is an idl routine called svdc based on the Numerical Recipes, thus you will find some documentation both in the online help system and the book "Numerical Recipes in *" A long shot, but hopefully this is what you are looking for. Baard -- ------------------------------------------------------------ ------ B{\aa}rd Krane | Email : bard.krane@fys.uio.no Institute of Physics | Phone : + 47 22 85 56 66 University of Oslo | Fax : + 47 22 85 56 71 POB 1048, blindern, N-0316 Norway | ------------------------------------------------------------ ------