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Re: Converting an expression to a list of terms?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71475] Re: Converting an expression to a list of terms?
  • From: Peter Pein <petsie at dordos.net>
  • Date: Mon, 20 Nov 2006 06:17:08 -0500 (EST)
  • Organization: 1&1 Internet AG
  • References: <ejrmpc$96l$1@smc.vnet.net>

AES schrieb:
> How to convert an expression consisting of a sum of terms in an Output 
> cell:
> 
>    A + B - C + . . . 
> 
> (where A, B, C are themselves product expressions) to a list
> 
>    {A, B, -C, . . . }
> 
> in some easier fashion than doing it by hand using Find and Replace?
> 

Hello,

do you mean

In[1]:=
sumofterms = Expand[(x - y)^3];
In[2]:=
listofterms = List @@ sumofterms
Out[2]=
{x^3, -3*x^2*y, 3*x*y^2, -y^3}

?


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