Lists and rules
- To: mathgroup at smc.vnet.net
- Subject: [mg66485] Lists and rules
- From: "Thomas Schmelzer" <thomas.??? at balliol.ox.ac.uk>
- Date: Mon, 15 May 2006 23:49:35 -0400 (EDT)
- Organization: Balliol College
- Reply-to: "Thomas Schmelzer" <thomas.??? at balliol.ox.ac.uk>
- Sender: owner-wri-mathgroup at wolfram.com
Experts,
I would like to produce a decent piece of code for one of my projects.
I am constructing a list of sets
S_1, S_2 and S_3
where S_j = { m , T[[1,m]] == j, m running from 1 to 100}
T[[1,*]] is a row vector containing only 1, 2 and 3.
I could setup a for loop and work with append. I have done that, but I
believe this approach is neither efficient nor elegant. Any hints for a
newbie?
Best,
Thomas
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