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allenh98 Group Title

I need help with a complex number zeros/poles difference equations kinda thing http://i42.tinypic.com/3585rtx.png

  • 2 years ago
  • 2 years ago

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  1. 142343 Group Title
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    www.mathway.com

    • 2 years ago
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    and i be back

    • 2 years ago
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    is z given ?

    • 2 years ago
  4. allenh98 Group Title
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    • 2 years ago
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    z is a variable

    • 2 years ago
  6. allenh98 Group Title
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    I expanded the top, not even close to getting 0.1765 z ^ -1

    • 2 years ago
  7. EarthCitizen Group Title
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    you can use De Moivre's theorem \[z ^{-n} = r ^{-n}[\cos(n \theta)-jsin(n \theta)]\]

    • 2 years ago
  8. allenh98 Group Title
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    that gives me 1

    • 2 years ago
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    can you use MATLAB ?

    • 2 years ago
  10. allenh98 Group Title
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    nvm i found the answer! just needed to fully expand it and it works itself out thx for help!!!

    • 2 years ago
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