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Re: how to set initial values to symbolic variable array?

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  • Subject: [mg129968] Re: how to set initial values to symbolic variable array?
  • From: Frank K <fkampas at gmail.com>
  • Date: Thu, 28 Feb 2013 21:26:22 -0500 (EST)
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In[1]:= ar = Array[a,4]
Out[1]= {a[1],a[2],a[3],a[4]}

In[2]:= f = Plus @@ ar
Out[2]= a[1]+a[2]+a[3]+a[4]

In[3]:= f/. Thread[ar -> 1]
Out[3]= 4



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