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?

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- Mar 24th 2008, 04:50 PMNyoxisQuick 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. (Time) - Mar 24th 2008, 09:08 PMDavePercy
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.