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when toggle format what by license comment
Mar 26, 2021 at 0:29 comment added Pohoua I imagine matrix $Q$ needs to have real coefficients ?
Mar 25, 2021 at 19:17 comment added Qwertuy I really don't know. What happens? Anyway, in the problem I am concerned with the matrices are much larger.
Mar 25, 2021 at 18:18 comment added Will Jagy what happens with 6 by 6 matrix?
Mar 25, 2021 at 16:24 history asked Qwertuy CC BY-SA 4.0