Re: powersum with a function with variable count of parameters
- To: mathgroup at smc.vnet.net
- Subject: [mg25292] Re: powersum with a function with variable count of parameters
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 19 Sep 2000 03:45:15 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <8q22cs$hr0@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Klamser wrote:
>
> Hi,
>
> how can I write a function f[x_,xi__]=10^x+10^xi, that returns
> f[1,2,3]->10^1+10^2+10 ^3.
>
> When i use the above definition, I only get
>
> 10^1+10^2^3
>
> But I want to get
>
> 10^1+10^2+10 ^3
>
> Regrads, Peter
Hi,
f[expos__] := Plus @@ (10^# & /@ {expos})
Regards
Jens