Question: A function f: S is convex if and only if for all f (21x1 + a2x2 + ..+ x, Xn)

A function f: S †’ „œ is convex if and only if
f (21x1 + a2x2 + ..+ x, Xn) <a1f(x1) + 22f(x2) + .+ anf (xn) (25)

for all

A function f: S †’ „œ is convex if and

f (21x1 + a2x2 + ..+ x, Xn)

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