# ORL Lab 7 Solved

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OR-Lab 7 (24.02.2021)

Problem 1: –

Make a menu driven program using Revised-Simplex with the following options (a) initial table (b) List of basic & non-basic variables for ith iteration (c) optimal solution (if exists otherwise generate report for infeasibility, unboundedness, alternative optimum etc.)

Problem 2:-

Test the following numerical problems using your code.

• MAX Z = 5×1 + 10×2 + 8×3

subject to

 3×1 + 5×2 + 2×3 â‰¤ 60 4×1 + 4×2 + 4×3 â‰¤ 72

2×1 + 4×2 + 5×3 â‰¤ 100

and x1,x2,x3 â‰¥ 0

• MAX Z = 4×1 + 3×2

subject to

2×1 + x2 â‰¤ 1000

x1 + x2 â‰¤ 800

 x1 â‰¤ 400 x2 â‰¤ 700

and x1,x2 â‰¥ 0

• MAX Z = 3×1 + 3×2 + 2×3 + x4

subject to

2×1 + 2×2 + 5×3 + x4 â‰¤ 12

3×1 + 3×2 + 4×3 â‰¤ 11

and x1,x2,x3,x4 â‰¥0

1. D) MAX Z = 3×1 + 5×2 + 4×3

subject to

2×1 + 3×2 â‰¤ 8

2×2 + 5×3 â‰¤ 10

3×1 + 2×2 + 4×3 â‰¤ 15

and x1,x2,x3 â‰¥ 0

(E)Â  MIN Z = 3×1 + 3×2 + 2×3 – x4

subject to

2×1 + 2×2 + 5×3 + x4Â  â‰¥ 43

3×1 – 3×2 + 4×3Â  â‰¥Â  11

4×1 – 2×2 + 3×3 – x4Â  â‰¥ 25

and x1,x2,x3,x4 â‰¥ 0