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Suppose V is an inner product and P, Q are orthogonal projection. Prove that trace (PQ)>=0.(Linear algebra done right third edition 10.A.12)
Suppose V is an inner product and P, Q are orthogonal projection. Prove that trace (PQ)>=0.(Linear algebra done right third edition 10.A.12)
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Patrina SchowalterLv2
1 Jan 2019