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Math Help - rref command

  1. #1
    Senior Member
    Joined
    Aug 2009
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    349

    rref command

    ok i was looking over my notes and a little confused at what my prof was doing on his ti 89 in lecture last week.

    the command line reads as follows...

    rref(d-2 identity(3))

    i forgot to reference this with the problem..

    im thinking the d means determinant and 2 is an eignevalue and 3 is the identity of a 3 x 3 matrix?

    is this right or am i wrong?
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  2. #2
    Senior Member
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    Aug 2009
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    ok wait i think d is the name of the matrix....not determinant
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