Map Question
- To: mathgroup at smc.vnet.net
- Subject: [mg45025] Map Question
- From: "Ben Bongiorno" <bbongiorno at bdo.com>
- Date: Sat, 13 Dec 2003 06:06:18 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Happy Holidays,
a = matrix variable of 22353 x 23 size
b = list variable of 21963 size
c = matrix variable of 21963 x 1 size
My Do routine
x=0;
Do[x=x+1;
c[[x]]=Select[a,#[[3]]===b[[x]]&],
{Length[b]}]
How can I utilize Map to speed up this routine?
Benedetto Bongiorno CPA, CRE
BDO Seidman, LLP
700 North Pearl Street
Suite 2000
Dallas, TX 75201
214-665-0717
bbongiorno at bdo.com
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