Re: Command similar to flatten??

*To*: mathgroup at smc.vnet.net*Subject*: [mg89292] Re: Command similar to flatten??*From*: Bill Rowe <readnews at sbcglobal.net>*Date*: Wed, 4 Jun 2008 05:36:31 -0400 (EDT)

On 6/3/08 at 3:59 AM, enoel2 at gmail.com (Erin Noel) wrote: >I am pretty new to Mathematica coding so bear with me... >I have a list of lists named "A" whose dimensions are {4,10,1100,5} >and I want to basically "combine" those first two levels so that the >dimensions become {40,1100,5} but I have no idea how to do >that...Any suggestions? You can apply Join to A, for example In[19]:= data = RandomInteger[1, {4, 10, 1100, 5}]; Dimensions@data Out[20]= {4,10,1100,5} In[21]:= Dimensions[Join @@ data] Out[21]= {40,1100,5} Another alternative would be to use Flatten with its second optional argument