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Homework Help: CG algorithm

  1. Dec 17, 2008 #1
    1. The problem statement, all variables and given/known data

    http://img266.imageshack.us/img266/152/78148531ur5.png [Broken]

    2. Relevant equations

    A is symmetric.

    3. The attempt at a solution

    First of all if you calculate rT you'll get qTA so why it the order reversed in the picture above? Moreover I don't see why it is zero.
    Last edited by a moderator: May 3, 2017
  2. jcsd
  3. Dec 25, 2008 #2

    Tom Mattson

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    Can you go into more detail as to what those symbols mean? The superscripted T's clearly indicate that some of them are matrices, but are they all matrices? If so, then are they all square? If not, then how many rows and columns does each have?
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