Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
@Mahdi: Yes, you are right: the matrix is not diagonalizable. Thanks for spotting this! However, my conjecture seems to be true (numerically) for every Hurwitz stable matrix (i.e. diagonalizability is not required). I edited the OP accordingly.
