Question: Exercise 4.7 Consider the real-valued function m g (x) := _1/x - aill2, x ER, i=1 where a; E R for i = 1, ...,

Exercise 4.7 Consider the real-valued function m g (x) := _1/x

Exercise 4.7 Consider the real-valued function m g (x) := _1/x - aill2, x ER", i=1 where a; E R" for i = 1, ..., m. Show that g is a convex function and has an absolute minimum a1 + a2 + ... + am at the mean point x = m

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