Timeline for Conical combination of rank 1 matrices with nonnegative entries
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 25, 2016 at 7:02 | comment | added | user94803 | Yes, your reduction shows that I was asking whether the entries of the matrix $A - \kappa diag(b_1,...,b_n)$. Actually the original intention was for the rank 1 matrices to have no zero rows. | |
| Nov 25, 2016 at 5:14 | comment | added | Pace Nielsen | If Ilya interpreted your question correctly, the answer appears to be no. Try {{1/16, 1, 1}, {1, 1/2, 1}, {3/2, 1, 1}}. | |
| Nov 24, 2016 at 16:17 | comment | added | Ilya Bogdanov | Each matrix with nonnegative entries is obviously a sum of rank 1 matrices with nonnegative entries (put each tow into a separate matrix). So you are asking just whether the entries of your matrix are nonnegative? | |
| Nov 24, 2016 at 15:41 | history | asked | user94803 | CC BY-SA 3.0 |