Problem 11.22Excel QM and Solver

BY: Matthew HeldThese slides will walk you through solving this problem step by step

Summarize problem information3 additional generators available

generator startup cost max output cost per output

X1 $6,000 2400 $8

X2 $5,000 2100 $9

X3 $4,000 3300 $7

+ 3200 megawatts needed 6am to 2pm

+5700 megawatts needed 2pm to 10pm

Problem 11.22Excel QM and Solver

BY: Matthew HeldThe integer programming problem becomes

Objective

minimize cost = 6000X1 + 5000X2 + 4000X3 + 8X4 + 9X5 + 7X6

subject to constraints

X4 + X5 + X6 >= 3200X4 + X5 + X6 >= 5700X4 <= 2400X1X5 <= 2100X2X6 <= 3300X3X1 + X2 + X3 = 0

Problem 11.22Excel QM and Solver

BY: Matthew HeldStart QM for Windows

Select Module Menu

Select Integer Programming

Select File Menu

Select New

Define Data set for Integer Programming

Problem 11.22Excel QM and Solver

BY: Matthew HeldFill in data grid with problem data

Problem 11.22Excel QM and Solver

BY: Matthew Held

Review Integer Programming Results