for which value of t would the 2x2 matrix (0 t 0 0 ) be diagonalizable? i thought for it to be diagonalizable, the matrix has to be invertible and hence in this case, for whatever values of t, it wont be diagonalizable?
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Are you forgetting the trivial case?
Originally Posted by alexandrabel90 i thought for it to be diagonalizable, the matrix has to be invertible In the pdf file, you will find singular matrices that are diagonalizable. http://www.mathhelpforum.com/math-he...rexamples.html
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