Re: Help please: Summing a list
- To: mathgroup at smc.vnet.net
- Subject: [mg13500] Re: Help please: Summing a list
- From: "W. K. Bertram" <wkb at ansto.gov.au>
- Date: Fri, 31 Jul 1998 04:33:18 -0400
- Organization: Australian Nuclear Science and Technology Organisation
- References: <6pebm8$i6j@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
robpetersonSPAMME at iname.com wrote:
> I make a list of numbers, eg:
>
> P=Table[6,{x,0,110}]; (I have a more interesting list to use later if I
> get this working)
>
> Now I want to make another list PP in which each entry PP[[i]] is the
> sum of P's first i entries. I try
>
> PP[[i]]:=Sum[P[[n]],{n,0,i}];
This will work;pp = Table[Plus @@ Take[p, i], {i, 1, 110}]
Cheers,
Bill