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Let $A$ be an $N$ by $N$ Hermitian matrix with elements $a_{ij}$. What will be the bound on the elements $b_{ij}$ where $B=A^{-1}$? If $A$ is a diagonal matrix, solution is trivial. Also for tri-diagonal matrix, bounds exists.

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    For tridiagonal matrices, bounds on inverse elements exist. Want to know about Hermitian matrices.2011-03-29
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    if you are more specific, you can (possibly) get more help...2011-03-29

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