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Inverse of Matrices

  1. Sep 7, 2004 #1
    I have to right a computer program that uses data inputted by the user, creates a vandermonde matrix (3rd degree) and than computes the values of a, b, c and d. I can create the vandermonde matrix, find the transpose and than multiply. However, I can't seem to figure out who to find the inverse. I do know how to find the inverse, but i can't seem to code it. I was just wondering how I would code it to right the matrix inverse. Any help would be appreciated. (is this in the right section?)
  2. jcsd
  3. Sep 8, 2004 #2
    What language are you writing this program in?
  4. Sep 8, 2004 #3

    matt grime

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    And what are a,b,c, and d?
  5. Sep 8, 2004 #4
    a, b, c, d and coefficients of the polynomial, that is
    f(x) = ax^3 + bx^2 + cx + d

    and in either java or c++ (preferably java since i'm more fimiliar with it)
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