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Math Help - Simplifying mathematical notations

  1. #1
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    Exclamation Simplifying mathematical notations



    Hi, I need some help simplifying the above chunk into a (single?) formula. I know nuts about notations, so any help is appreciated

    I don't know if you can tell what I'm trying to do; it's uhm. some instructions on how to get determinant of matrix = 1.

    Thanks!
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by vongst View Post


    Hi, I need some help simplifying the above chunk into a (single?) formula. I know nuts about notations, so any help is appreciated

    I don't know if you can tell what I'm trying to do; it's uhm. some instructions on how to get determinant of matrix = 1.

    Thanks!
    That is almost incomprehensible, provide more context.

    Your matrix $$ X has ones down the diagonal, and zeros above the diagonal. Expanding the determinant along the first row gives:

    |X|=|X'|

    where $$ X' is the matrix obtained from $$ X by deleting the first row and column

    CB
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