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seen Aug 5 at 18:02

Aug
5
comment Can someone kindly explain idea behind the sum of projections?
I don't see why any two symmetric matrices should commute.
Dec
9
comment How does the polynomial transformation $P(x) \mapsto P(x) + c$ alter the roots of that polynomial? Specifics inside.
It might help to know that one of the roots of this polynomial is $\nu$.