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Re: list manipulation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg116350] Re: list manipulation
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Fri, 11 Feb 2011 04:18:48 -0500 (EST)

On 2/10/11 at 5:19 AM, andrea.dellapatria at gmail.com (Andrea) wrote:

>hello, I need help about the following question:

>I have two N-dimensional lists:

>list1={x1,x2,...,xN}     list2={y1,y2,...,yN}

>How to create the N-dimrnsional list: list3={{x1,y1},{x2,y2},...,
>{xN,yN}} ?

>I've tried so hard but I didn't work it out!

There are a variety of ways to accomplish what you want. Here
are two:

In[6]:= list1 = RandomInteger[100, {5}];
list2 = RandomInteger[10, {5}];

In[8]:= Transpose@{list1, list2}

Out[8]= {{71, 2}, {17, 4}, {47, 8}, {9, 2}, {99, 5}}

In[9]:= MapThread[List, {list1, list2}]

Out[9]= {{71, 2}, {17, 4}, {47, 8}, {9, 2}, {99, 5}}



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