Fast List-Selection
- To: mathgroup at smc.vnet.net
- Subject: [mg19880] Fast List-Selection
- From: Hans Havermann <haver at total.net>
- Date: Sun, 19 Sep 1999 18:47:32 -0400
- Sender: owner-wri-mathgroup at wolfram.com
I have a list 's' composed of a large number of (small) integers. I wish to
search this list for instances of 7 consecutive, identical elements.
My approach is:
Do[If[Count[t = Take[s, {i, i + 6}], t[[1]]] == 7,
Print[i]], {i, 1, Length[s] - 6}]
Can anyone think of a *faster* way of doing this?
- Follow-Ups:
- Re: Fast List-Selection
- From: Carl Woll <carlw@u.washington.edu>
- Re: Fast List-Selection