Re: ordering a large matrix and referring to the named rows later

*To*: mathgroup at smc.vnet.net*Subject*: [mg75357] Re: ordering a large matrix and referring to the named rows later*From*: Bill Rowe <readnewsciv at sbcglobal.net>*Date*: Thu, 26 Apr 2007 03:34:22 -0400 (EDT)

On 4/25/07 at 5:43 AM, puretexan at gmail.com (newbie) wrote: >Hi, I have a large matrix {5165, 26}, the first row and first 8 >columns identify the values in the matrix. I need to be able to >sort the data without losing the ability to reference the >labels. Any ideas? Thank you very much for any help! Let mat be your matrix, then mat[[Join[{1},Ordering[Rest[mat][[All,n]]]]] where n is the column you want to have sorted should do what you want -- To reply via email subtract one hundred and four