Re: How to separate a sum into terms
- To: mathgroup at smc.vnet.net
- Subject: [mg92048] Re: How to separate a sum into terms
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Thu, 18 Sep 2008 06:15:26 -0400 (EDT)
On 9/17/08 at 4:29 AM, slava.rychkov at gmail.com (Slava Rychkov) wrote:
>I want to separate a Mathematica expression written as a sum into
>separate terms E.g. for
>a+b-c+f[1]-g[a]/g[b]
>I want to get a list
>{a,b,-c,f[1],-g[a]/g[b]}
>Is there a simple way to do this?
Yes, simply change the head of the sum to List using Apply. That is
In[1]:= expr = a + b - c + f[1] - g[a]/g[b];
In[2]:= List @@ expr
Out[2]= {a,b,-c,f(1),-(g(a)/g(b))}
In[3]:= Apply[List, expr]
Out[3]= {a,b,-c,f(1),-(g(a)/g(b))}