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Re: How to add a vector to a list of vectors?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg26502] Re: [mg26493] How to add a vector to a list of vectors?
  • From: BobHanlon at aol.com
  • Date: Sat, 30 Dec 2000 01:55:16 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

l = Array[v, {3, 4}];

w = {w1, w2, w3, w4};

Table[w + l[[i]],{i, Length at l}]  == (#+w& /@ l)

True

Bob Hanlon

In a message dated 12/28/00 9:53:48 PM, mtpagesj at lg.ehu.es writes:

>   I have a list of vectors l = {v1,...,vn} and another vector w, all
>of the same length. I wat to get the list {w + v1, ..., w + vn} .
>
>   l + w does not work.
>
>Is there a simpler (or more efficient) way than
>
>   Table[w + l[[i]],{i, Length at l}] ? 
>


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