Re: Why Return[] does not work?
- To: mathgroup at smc.vnet.net
- Subject: [mg109470] Re: Why Return[] does not work?
- From: "M.Roellig" <markus.roellig at googlemail.com>
- Date: Wed, 28 Apr 2010 02:00:52 -0400 (EDT)
- References: <hr6ihp$2f8$1@smc.vnet.net>
> 2) is there better way to implement intersection check?
>
Hi.
In[1]:= Intersection[{a, b}, {c, a}]
Out[1]= {a}
or if you like a True/False answer
In[2]:= Intersection[{a, b}, {c, a}] =!= {}
Out[2]= True
Cheers,
Markus