August 1st, 2012, 07:31 PM  #1 
Member Joined: Aug 2011 Posts: 71 Thanks: 0  calculation of the sum
Let be real vector How to represent the following sum in terms of the norm of vector : . Thank you. 
August 10th, 2012, 03:38 AM  #2 
Senior Member Joined: Aug 2012 Posts: 229 Thanks: 3  Re: calculation of the sum
Hey Anton29. Are you having trouble evaluating the sum or deriving the sum corresponding to the norm between two vectors? 
August 23rd, 2012, 10:33 PM  #3 
Member Joined: Aug 2011 Posts: 71 Thanks: 0  Re: calculation of the sum
I wanted to reperesent the sum in terms of l_2 norms, but turns out that one can only bounded it. I've got it.


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