Question: 2.11. Let a; be vectors in R, i = 1,..., m. Prove that the function m f(x) = In (Eedi) i=1 is convex.

2.11. Let a; be vectors in R", i = 1,..., m. Prove

2.11. Let a; be vectors in R", i = 1,..., m. Prove that the function m f(x) = In (Eedi) i=1 is convex.

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