Let $M$ be Hermitian matrix and $h$ is a real number.
I am trying to expand $\det(I_n + hM)$. I found expansion of $\det(A)$ in terms of trace here. Substituting $A=I_n+hM$ and solving is a bit tedious. Is there a direct result available ?
2026-04-06 11:01:11.1775473271
expand $\det(I_n + hM)$
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