Re: Adding value to some elements of a list
- To: mathgroup at smc.vnet.net
- Subject: [mg131058] Re: Adding value to some elements of a list
- From: Kurt TeKolste <ektekolste at gmail.com>
- Date: Thu, 6 Jun 2013 07:51:50 -0400 (EDT)
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- Delivered-to: l-mathgroup@wolfram.com
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- References: <komoi3$1un$1@smc.vnet.net>
I am afraid that the answer is much easier than so far offered.
Setup
In[8]:= a=10 Range[6]
Out[8]= {10,20,30,40,50,60}
In[9]:= b=2Range[3]
Out[9]= {2,4,6}
Here is what you are looking for
In[10]:= a[[b]]+=17
Out[10]= {37,57,77}
Check resultIn[11]:= a
Out[11]= {10,37,30,57,50,77}
Kurt