Operational Research (O.R.)         case studies
Download
1 / 14

Operational Research (O.R.) case studies - PowerPoint PPT Presentation


  • 55 Views
  • Uploaded on

Operational Research (O.R.) case studies. What’s the problem?. www.LearnAboutOR.com. You are a shop manager…. You are opening a new branch and need to employ staff You want to keep your labour costs as low as possible. www.LearnAboutOR.com. Inexperienced staff are cheaper…

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Operational Research (O.R.) case studies' - roddy


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

What s the problem

What’s the problem?

www.LearnAboutOR.com


You are a shop manager
You are a shop manager…

You are opening a new branch and need to employ staff

You want to keep your labour costs as low as possible

www.LearnAboutOR.com


Operational research o r case studies

Inexperienced staff are cheaper…

…but experienced staff are more productive

www.LearnAboutOR.com



What do we need to know
What do we need to know? on?

How much do you need to pay staff?

Inexperienced staff cost £5 an hour

Experienced staff cost £8 an hour

www.LearnAboutOR.com


Operational research o r case studies

How productive are inexperienced and experienced staff? on?

Inexperienced staff are two thirds as productive as experienced staff

www.LearnAboutOR.com


Operational research o r case studies

How many staff do you need? on?

You need the equivalent of

20 experienced members of staff

www.LearnAboutOR.com


Operational research o r case studies

Anything else you need to consider? on?

Head Office states that you must employ at least one experienced member of staff for every three inexperienced members of staff

www.LearnAboutOR.com


Let s summarise the problem
Let’s summarise the problem on?

We want to employ the equivalent ofat least 20 experienced members of staff with at least one experienced member of staff for every three inexperienced members of staffwith the minimum possible labour cost

www.LearnAboutOR.com


This is an example of linear programming
This is an example of on?Linear Programming

www.LearnAboutOR.com


Linear programming problems
Linear Programming Problems on?

The aim is to choose the best combination of a number of quantities

to optimise the outcome, subject to certain constraints

www.LearnAboutOR.com


Another example of where this is used
Another example of on?where this is used

Factories that make several products: deciding how many of each to make weighing up several factors for each product such as the profit to be made, the demand, the time needed to produce it, etc.

www.LearnAboutOR.com


What next
What next? on?

Over the next few lessons, we will look at ways of approaching problems of this type…

www.LearnAboutOR.com