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Math Help - Quick Matrix Question

  1. #1
    Junior Member
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    Mar 2008
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    Question Quick Matrix Question

    If I have a matrix with an unsolved constant in it, how can I deternime whether the matrix has infinitesimal solutions or none, when the det=0?

    Thanks.
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  2. #2
    Newbie DavePercy's Avatar
    Joined
    Feb 2008
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    Write out the determinant by hand as an expression, which you know equals 0. The solutions of this equation will be the possible values of the constant.
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