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Why people need to define determinant ?

  1. Oct 8, 2005 #1
    why people need to define "determinant"?

    why people need to define "determinant"? Of course there are many reasons
    but what i want to know is the first one. -i.e- the origin of determinant
  2. jcsd
  3. Oct 8, 2005 #2


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    Last edited by a moderator: Apr 21, 2017
  4. Oct 17, 2005 #3
    There are oh so many applications of the determinant. I will list a few:
    * Finding inverse of a matrix
    * Finding area/volume
    * Cross product
    * Eigenvalues / eigenvectors
    and so on...

    You might find some of these topics related, but my point is; there's loads of things you can do using determinants!
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