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What is ordinate?

  1. Feb 12, 2009 #1
    What does "ordinate" mean? When read about the zeta function, I encounter comments about "ordinates of zeros".
     
  2. jcsd
  3. Feb 12, 2009 #2

    HallsofIvy

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    The y- value of an (x, y) co-ordinate pair. The x-value is the abscissa.
     
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