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>