Timeline for How can I characterize the type of solution vector that comes out of a matrix?
Current License: CC BY-SA 2.5
5 events
| when toggle format | what | by | license | comment | |
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| Aug 12, 2010 at 16:23 | comment | added | bobobobo | @David, thank you. @Federico: Thank you for that insightful comment. | |
| Aug 12, 2010 at 12:22 | comment | added | Federico Poloni | A wide class of matrices having nonnegative inverses is that of M-matrices. en.wikipedia.org/wiki/M-matrix . The matrix in the link you posted has the right sign-pattern (i.e., it is a Z-matrix), so you just need to check that the spectral radius of the matrix $\rho_i F_{ij}$ is less than 1 to make sure that your matrix is an M-matrix. | |
| Aug 11, 2010 at 20:05 | vote | accept | bobobobo | ||
| Aug 11, 2010 at 18:59 | comment | added | Tony Huynh | You are fast David, I was just in the middle of posting. | |
| Aug 11, 2010 at 18:52 | history | answered | David E Speyer | CC BY-SA 2.5 |