Exercise 3 7 Show that MY M(M)M Y so that to estimate X , one only needs the perpendicular projection of Y onto C(M) ...

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Exercise 3.7 Show that MY = [M(M)M]Y so that to estimate X , one only needs the

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Exercise 3.7 Show that ρMY = ρ[Mρ(ρMρ)−ρM]Y so that to estimate

ρXβ , one only needs the perpendicular projection of Y onto C(Mρ).

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Exercise 3.7 Show that MY = [M(M)M]Y so that to estimate X , one only needs the

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