which of the following is convex?
which of the following is convex? (e) The set of points closer to one set than another, i.e. r dist(r, S) dist(r,T)) where S,TCR", and The set S2 C Si, where S, S2 Rn with Si conveX. (g) The set...
2. Which of the following sets are convex? (a) A slab, i.e., a set of the forn {rE Rn l α-ar-β} (b) A rectangle, i.e., a set of the forin {2. E Rn | Qi-Z'i is sometimes called a hyperrectangle when n > 2. ,n). A rectangle A, i = 1, (d) The set of points closer to a given point than a given set, i.e., where SCR (e) The set of points closer to one set than another, i.e.,...
Question 8 (Chapters 6-7) 12+2+2+3+2+4+4-19 marks] Let 0メS C Rn and fix E S. For a E R consider the following optimization problem: (Pa) min a r, and define the set K(S,x*) := {a E Rn : x. is a solution of (PJ) (a) Prove that K(S,'). Hint: Check 0 (b) Prove that K(S, r*) is a cone. (c) Prove that K(S,) is convex d) Let S C S2 and fix eS. Prove that K(S2, ) cK(S, (e) Ifx. E...