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Power of discrete sinusoidal signal?

  1. Oct 17, 2015 #1
    upload_2015-10-17_15-54-33.png

    I am a little confused of the last step.
    We can set an upper boundary for any arbitrary large number M, so it seems ok.

    do you agree on the last statement?
     

    Attached Files:

  2. jcsd
  3. Oct 17, 2015 #2
    somehow getting a small picture..
     

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