Exercise 6.2

Question

Let $E$ be the $m 	imes m$ matrix that extracts the "even part" of an $m$-vector: $Ex = (x + Fx)/2$, where $F$ is the $m 	imes m$ matrix that flips $(x_1 , \ldots , x_m)*$ to $(x_m, \ldots , x_1 )*$. Is $E$ an orthogonal projector, an oblique projector, or not a projector at all? What are its entries?

Desh Raj · Accepted Answer

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Exercise 6.2

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Exercise 6.2

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