Table 1 The lower upper of \(\pmb{\tau(A\circ{A^{-1}})}\)
From: New inequalities for the Hadamard product of an M-matrix and an inverse M-matrix
Method | t | \(\boldsymbol {\Upsilon_{t}}\) |
|---|---|---|
Corollary 2.5 of [9] |  | 0.1401 |
Conjecture of [4] | Â | 0.2000 |
Theorem 3.1 of [10] |  | 0.4471 |
Theorem 3.2 of [5] |  | 0.4732 |
Theorem 7 | t = 1 | 0.8182 |
t = 2 | 0.8889 | |
t = 3 | 0.9186 | |
t = 4 | 0.9313 | |
t = 5 | 0.9368 | |
t = 6 | 0.9393 | |
t = 7 | 0.9404 | |
t = 8 | 0.9408 | |
t = 9 | 0.9409 | |
t = 10 | 0.9409 |