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Prove whether the following functions are convex or not. (a) (5 points) f(x, x) = (xx2 - 1)2, where x1, x2 R. (b) (5

Prove whether the following functions are convex or not. (a) (5 points) f(x, x) = (xx2 - 1)2, where x1, x2   

Prove whether the following functions are convex or not. (a) (5 points) f(x, x) = (xx2 - 1)2, where x1, x2 R. (b) (5 points) f(w, W) = ||w - w2||2, where w, W R.

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a The function fx1 x2 x1x2 12 is not convex To see this consider the ... blur-text-image

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