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Z transform of a sequence

  1. May 30, 2015 #1
    Hi guys,

    I am trying to find the z-tranform of the following equation: x(n) =-2n u(-n-1)

    Using the Z-transform definition,summation and geometric series
    I am getting 1/(1-2z-1)

    But according to my lecturer the answer is suppose to be 0.5/(1-2z-1)

    I have tried simplification/factorization and still seems to be wrong.


    Attached Files:

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  2. jcsd
  3. May 30, 2015 #2


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    Staff: Mentor

    What does u mean?
    Can you show your steps?
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