Considering the situation that the firm has a limited quantity of
R1, R2 and R3, respectively, prepare a model to determine the quantities of the raw
material R1, R2 and R3 required to meet the purchase orders Solution Step 1 The physical situation is well identified in the problem Step 2 Let A be a matrix that represents purchase orders from the two clients F1 and
F2 Then, A is of the form
1
2
3
1
2
P P
P
F •
•
•
A
F
•
•
•


=




Let B be the matrix that represents the amount of raw materials R1, R2 and R3,
required to manufacture each unit of the products P1, P2 and P3