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Question from Boyd's Optimization Book

  1. Dec 5, 2012 #1

    I am reading Convex Optimization from Stephen Boyd's book on my own and I am stuck at math he mentions on Pg. 157 of his book which can be found here.

    How does he write the following:

    sup{uTP[itex]^{T}_{i}[/itex]x | ||u||2 ≤ 1} = ||P[itex]^{T}_{i}[/itex]x||2

    Thanks guys
  2. jcsd
  3. Dec 5, 2012 #2


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