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Thread: Inverse Of A Matrix

  1. November 8th 2008, 05:10 PM #1
    ahamdiheme
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    Inverse Of A Matrix

    Could someone pls show me how to fing the inverse of the following matrix

    1 1
    2 2

    Please i need the method not just the answer. I am really stuck on this one. Thank you
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  2. November 8th 2008, 05:13 PM #2
    ThePerfectHacker
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    Quote Originally Posted by ahamdiheme View Post
    Could someone pls show me how to fing the inverse of the following matrix

    1 1
    2 2

    Please i need the method not just the answer. I am really stuck on this one. Thank you
    It has no inverse!
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  3. November 8th 2008, 05:14 PM #3
    mr fantastic
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    Quote Originally Posted by ThePerfectHacker View Post
    It has no inverse!
    To the OP: Calculate the determinant to see why.
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  4. November 8th 2008, 05:19 PM #4
    ahamdiheme
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    Isn't there something like a pseudoinverse? Thats what i am looking for
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