Re: Use pattern to find minimum without using min
- To: mathgroup at smc.vnet.net
- Subject: [mg71858] Re: Use pattern to find minimum without using min
- From: "dimitris" <dimmechan at yahoo.com>
- Date: Fri, 1 Dec 2006 06:22:11 -0500 (EST)
- References: <ekmdbc$7th$1@smc.vnet.net>
First Sort the elements then pick up the first element of the list
lst = Table[Random[Integer, {3, 20}], {20}]
{14, 19, 8, 13, 18, 9, 6, 5, 13, 10, 12, 13, 11, 14, 12, 19, 16, 17,
14, 17}
lst //. {a___, b_, f___, c_, d___} /; c < b -> {a, c, d}
% /. {x_, y___} -> x
{5, 10, 11, 12, 14, 17}
5
Regards
Dimitris
Ï/Ç wooks Ýãñáøå:
> Tried
>
> {9, 4, 6, 5, 3, 7} //. {a___, b_, c___, d_, e___} :> b /; (b < d)
>
> and
>
> {9, 4, 6, 5, 3, 7} //. {x_,y_,z___} :> {x,z} /; (x<y)
>
> without much success.