Re: Using Fold in Select
- To: mathgroup at smc.vnet.net
- Subject: [mg9061] Re: [mg9035] Using Fold in Select
- From: Olivier Gerard <jacquesg at pratique.fr>
- Date: Thu, 9 Oct 1997 01:42:41 -0400
- Sender: owner-wri-mathgroup at wolfram.com
At 06:05 +0200 97.10.08, Ramin Sina wrote:
> Hi all,
>
> I am trying to write a fuction that does the following:
>
> f[n_]:=Select[thedata,(
> #[[1]]<fitmax[1,g[n]] &&
> #[[2]]<fitmax[2,g[n]] &&
> ................... &&
> #[[n]]<fitmax[n,g[n]]
> ) &]
>
> thedata is a 100 by 1000 matrix.
Ramin,
you can Apply And on a list of tests. For example
Function[ data, And@@Table[ data[[i]] < fitmax[i,g[n]], {i,1,n}]]
gives you a function making a list of tests on the input "data".
Olivier