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In analysis what does |x,y| mean/represent?

  1. Apr 28, 2010 #1
    1. The problem statement, all variables and given/known data

    In analysis what does |x,y| mean/represent?

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Apr 30, 2010 #2


    Staff: Mentor

    Without any context it's hard to tell, but it might mean the norm or absolute value of the inner product of x and y. Many texts represent the inner product as <x, y> or as (x, y).
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