Suppose A and B are nonnegative matrices, that is, $A\geq 0$ and $B\geq 0$. Moreover, suppose $\|A\|_{\infty}<1, \|B\|_{\infty}<1$ and $A\leq B$. For $f(x)=x(2-x)$, we know that $f(x)$ is increasing in $(0,1)$. I wonder if it is true that $f(A)\leq f(B)$ if $f(B)\geq 0$.
2026-03-25 11:01:02.1774436462
Does this function preserve the order of the nonnegative matrices
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