Re: multiple choice IF condition
- To: mathgroup at smc.vnet.net
- Subject: [mg56459] Re: multiple choice IF condition
- From: Marcus Stollsteimer <marcus314 at yahoo.com>
- Date: Tue, 26 Apr 2005 01:33:13 -0400 (EDT)
- Organization: Comp.Center (RUS), U of Stuttgart, FRG
- References: <d4hvhj$1ha$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
marloo3 at mail15.com wrote:
> could we have a more practical way than this way of choosing some
> numbers of the choice:
>
> a = 0;
> Table[If[i == 3 || i == 5 || i == 9 || i==18, a = a + i], {i, 20}]
>
> ie: i wish if it is possible like this:
> If[i==3 ||5 ||9||18, ...]
If[MemberQ[{3, 5, 9, 18}, i], ...]
Regards,
Marcus
--
It is awfully hard work doing nothing. -- Oscar Wilde