Re: "Accumulate" with operator Times.
- To: mathgroup at smc.vnet.net
- Subject: [mg114876] Re: "Accumulate" with operator Times.
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Tue, 21 Dec 2010 00:19:06 -0500 (EST)
- References: <201012200540.AAA22768@smc.vnet.net>
- Reply-to: murray at math.umass.edu
I don't know of a named, built-in function exactly parallel to
Accumulate. But FoldList will do it, of course:
lis = {a, b, c};
FoldList[Times, First@lis, Rest@lis]
(Accumulate is a relative newcomer to Mathematica, having appeared only
in version 6.))
On 12/20/2010 12:40 AM, Matthias Bode wrote:
> Hola:
>
> In[5]:= Accumulate[{a, b, c}] yields
>
> Out[5]= {a, a + b, a + b + c}
>
> Is there a simple command, similar to Accumulate, that yields
>
> {a, a*b, a*b*c} ?
>
> Best regards,
>
> MATTHIAS BODE
> S 17.35775=B0, W 066.14577=B0
> 2'740 m
> AMSL.
>
--
Murray Eisenberg murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower phone 413 549-1020 (H)
University of Massachusetts 413 545-2859 (W)
710 North Pleasant Street fax 413 545-1801
Amherst, MA 01003-9305
- References:
- "Accumulate" with operator Times.
- From: Matthias Bode <lvsaba@hotmail.com>
- "Accumulate" with operator Times.