5. Which of the following sets S are polyhedra? If possible, express S in the form S = {x | Ax 3 b, Fx = g}. (a) S= {x € R" | x = 0, 1"x = 1, E-1 T;a; = b1, 1 T;a? = b2}, where a1, ..., a, e R and b1, b2 E R. (b) S = {r € R" | x > 0, x™y < 1 for all y with ||y||2 = 1}. (c) S = {x € R" | x > 0, x™y < 1 for all y with E \y| = 1}.
5. Which of the following sets S are polyhedra? If possible, express S in the form S = {x | Ax 3 b, Fx = g}. (a) S= {x € R" | x = 0, 1"x = 1, E-1 T;a; = b1, 1 T;a? = b2}, where a1, ..., a, e R and b1, b2 E R. (b) S = {r € R" | x > 0, x™y < 1 for all y with ||y||2 = 1}. (c) S = {x € R" | x > 0, x™y < 1 for all y with E \y| = 1}.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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