Re: Something in the spirit of letrec
- To: mathgroup at smc.vnet.net
- Subject: [mg68451] Re: Something in the spirit of letrec
- From: Bill Rowe <readnewsciv at earthlink.net>
- Date: Sat, 5 Aug 2006 03:46:55 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
On 8/4/06 at 3:59 AM, mariano.suarezalvarez at gmail.com (Mariano
Suárez-Alvarez) wrote:
>I'm trying to somehow come up with a function WithSelf such that
>evaluating
>WithSelf[{a,self[1]+b,self[2]+2}]
>will result in {a,a+b,a+b+c}.
FoldList does this, i.e.,
In[2]:=
Rest@FoldList[Plus,0,{a,b,c}]
Out[2]=
{a,a+b,a+b+c}
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