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For questions involving the trace of a square matrix, i.e. the sum of the elements on the main diagonal.

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Bound on the trace of inverse matrix

Suppose $A$ is a positive semi-definite matrix and we can bound its trace as $l \le tr(A) \le L$. I am wondering if it is possible to find the upper and lower bounds on the trace of $A^{-1}$ based on …
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