Re: How do you take apart a sequence?
- To: mathgroup at smc.vnet.net
- Subject: [mg102050] Re: [mg102030] How do you take apart a sequence?
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Tue, 28 Jul 2009 02:02:51 -0400 (EDT)
- Reply-to: hanlonr at cox.net
expr = Sequence[3, 5]
Sequence[3,5]
Make it a list first
{expr}[[1]]
3
or first wrap it in any undefined function
f[expr][[1]]
3
Bob Hanlon
---- zslevi <zslevi at gmail.com> wrote:
=============
In[75]:=
b[3, 5, 7][[1]]
Out[75]= 3
In[77]:= Sequence[3, 5][[1]]
During evaluation of In[77]:= Part::partd: Part specification \
3[[5,1]] is longer than depth of object. >>
Out[77]= 3[[5, 1]]
I'm new to Mathematica.
Is there a way to take apart a sequence?