How can we prove that if $A$ is an $n$ by $n$ Hermitian and invertible matrix, then for some invertible matrix $J$: $J^*AJ=A^{-1}$?
Tell me more
×
Mathematics Stack Exchange is a question and answer site for
people studying math at any level and professionals in related fields. It's 100% free, no registration required.
|
|
The simplest choice is probably to take $J=A^{-1}$. |
|||
|
|
Not the answer you're looking for? Browse other questions tagged linear-algebra or ask your own question.
