Re: Threading 'Append'
- To: mathgroup at smc.vnet.net
- Subject: [mg62841] Re: [mg62796] Threading 'Append'
- From: <bsyehuda at Gmail.com>
- Date: Tue, 6 Dec 2005 00:43:10 -0500 (EST)
- References: <200512051840.NAA21108@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
You probably mean to use MapThread
MapThread[Append, {{{1, 2}, {3, 4}, {5, 6}}, {a, b, c}}]
returns
{{1, 2, a}, {3, 4, b}, {5, 6, c}}
look at the help to see the difference between Thread and MapThread
yehua
On 12/5/05, J Siehler <jsiehler at gmail.com> wrote:
>
> If I run
>
> Thread[Append[{{1,2},{3,4},{5,6}},{a,b,c}]]
>
> I would expect to get
>
> {{1,2,a},{3,4,b},{5,6,c}}
>
> but in fact I get an 'Objects of unequal length' error.
>
> On the other hand,
>
> Thread[foo[{{1,2},{3,4},{5,6}},{a,b,c}]]
> %/.foo->Append
>
> gives what I wanted. Can someone explain what's going on?
>
>
- References:
- Threading 'Append'
- From: "J Siehler" <jsiehler@Gmail.com>
- Threading 'Append'