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Thread and Set

• To: mathgroup at smc.vnet.net
• Subject: [mg14537] Thread and Set
• From: Alex Tabarrok <00attabarrok at bsuvc.bsu.edu>
• Date: Thu, 29 Oct 1998 04:33:32 -0500
• Organization: Ball State University
• Sender: owner-wri-mathgroup at wolfram.com

I'd like to use Thread and Set to define a number of variables.  The
following works as expected:

In[86]:=Clear[a,b]
In[87]:=Thread[Set[{a,b},{1,2}]]
Out[87]={1,2}
In[88]:=a
Out[88]=1
In[89]:=b
Out[89]=2

But why doesn't the following work?

In[101]:=Clear[a,b]
In[102]:=vars={a,b}
Out[102]={a,b}
In[103]:=nums={1,2}
Out[103]={1,2}
In[104]:=Thread[Set[vars,nums]]
Out[104]={1,2}
In[105]:=a
Out[105]=a
In[106]:=b
Out[106]=b
In[107]:=vars
Out[107]={1,2}

thanks in advance

Alex

Alex Tabarrok
Department of Economics
Ball State University
00ATTabarrok at bsuvc.bsu.edu

• Follow-Ups:
  • Re: Thread and Set
    • From: Des Penny <penny@suu.edu>