Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Re; Reordering lists?!
Replies: 6   Last Post: Aug 2, 1996 2:05 AM

 Messages: [ Previous | Next ]
 Stephen P Luttrell Posts: 121 Registered: 12/7/04
Re: Re; Reordering lists?!
Posted: Jul 30, 1996 2:57 AM

Andre and Alain wrote:
>
> Hey! I have a list of Numbers, 1 to 4, and wish to rescale them so
> that 1 replkaces 4 and 3 replaces 2 and 2 replaces 3 etc. I made a little
> code to do this on an element per element basis and it doesn't seem to do
> it! Could someone let me know what I'm doing wrong or whether it's a Mma
> problem? Thanks
>
>...DELETIA...

Try this:

a={2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 2, 1, 1, 3, 1, 1, 2, 1, 2, 1, 2, 1, 1,
1, 1, 2, 1, 2, 1, 3, 1,
2, 2, 1, 2, 1, 2, 3, 2, 4, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 1, 2, 1, 2,
3, 2, 2, 2, 1, 2, 1,
2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1}

Map[Mod[#, 4] + 1&, a]

--
Dr Stephen P Luttrell luttrell@signal.dra.hmg.gb
Room EX21, Defence Research Agency 01684-894384 (fax)
Malvern, Worcs, WR14 3PS, U.K. http://www.dra.hmg.gb/cis5pip/Welcome.html

Date Subject Author
7/28/96 Andre and Alain
7/30/96 Stephen P Luttrell
7/30/96 Elizabeth J Earhart
7/30/96 Harald Berndt
7/30/96 Harald Berndt
7/30/96 Wolfram Jr.
8/2/96 Hein Hundal