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Time invariant signal

  1. Feb 23, 2013 #1
    2cvv9Fb.png

    Can anyone help my to see why my solution is wrong because the in the solutions it says that it is not time invariant
     
  2. jcsd
  3. Feb 23, 2013 #2

    mfb

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    2016 Award

    Staff: Mentor

    I don't understand what y_A and y_B are.

    Simple example:
    y(0)=x(-2)+x(2)
    y(1)=x(-1)+x(1)
    In general, those sums can be different.
     
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