9. Duality

9.1 Introduction and definition

Let's return to the production problem (1) and now imagine that a buyer shows up to buy all the resources b = (b ₁ , b ₂ , b ₃ ) ^T = (81, 55, 20) ^T available in the company. The buyer offers the company unit prices y = (y ₁ , y ₂ , y _...