Re: Sorting Rows of a Matrix
- To: mathgroup at smc.vnet.net
- Subject: [mg65118] Re: Sorting Rows of a Matrix
- From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
- Date: Wed, 15 Mar 2006 06:28:34 -0500 (EST)
- Organization: Uni Leipzig
- References: <dv69a6$o6l$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, since you don't provide an example I have to make my own and come to: Table[Random[], {j, 12}, {i, 2}] // Sort[#, #1[[2]] < #2[[2]] &] & Regards Jens "Gregory Lypny" <gregory.lypny at videotron.ca> schrieb im Newsbeitrag news:dv69a6$o6l$1 at smc.vnet.net... | Hello everyone, | | How can I sort the rows of a matrix by using one or more of the | columns as sort keys just like in a spreadsheet? For example, if | matrix M is 12 x 2 with numbers in the first column and unordered | month numbers in the second, how would I order the rows by month? | | Regards, | | Greg |