Re: Combining Lists?
- To: mathgroup at smc.vnet.net
- Subject: [mg8639] Re: Combining Lists?
- From: msreeve at netcom.com (Mark D. Reeve)
- Date: Fri, 12 Sep 1997 04:10:52 -0400
- Organization: Netcom On-Line Services
- Sender: owner-wri-mathgroup at wolfram.com
Another possibility is MapThread[List,{{1,2,3},{4,5,6}}] . Timing -wise this is about the same as the Transpose[] option. Mark Dr Stephen P Luttrell (luttrell at signal.dra.hmg.gb) wrote: : Alan Hunter <akh6n at virginia.edu> wrote in article : <5ut8r0$a50 at smc.vnet.net>... : > I think this is a pretty easy question so I hope someone will be able : > to answer it, I just can't figure out how to do it. If you have two : > lists, for example {1, 2, 3} and {4, 5, 6}. Is there a command to : > combine them into a series of XY pairs like {{1, 4}, {2, 5}, {3, 6}}? : > The book doesn't seem to have such a command, but I suspect one exists. : Transpose[{{1, 2, 3} ,{4, 5, 6}}] : produces the output : {{1,4},{2,5},{3,6}} : -- : Dr Stephen P Luttrell luttrell at signal.dra.hmg.gb : Adaptive Systems Theory 01684-894046 (phone) : Room EX21, Defence Research Agency 01684-894384 (fax) : Malvern, Worcs, WR14 3PS, U.K. : http://www.dra.hmg.gb/cis5pip/Welcome.html