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Operational Research (O.R.) case studies

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…

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Operational Research (O.R.) case studies

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  1. Operational Research (O.R.) case studies

  2. What’s the problem? www.LearnAboutOR.com

  3. 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

  4. Inexperienced staff are cheaper… …but experienced staff are more productive www.LearnAboutOR.com

  5. How many experienced and inexperienced staff should you take on? www.LearnAboutOR.com

  6. What do we need to know? How much do you need to pay staff? Inexperienced staff cost £5 an hour Experienced staff cost £8 an hour www.LearnAboutOR.com

  7. How productive are inexperienced and experienced staff? Inexperienced staff are two thirds as productive as experienced staff www.LearnAboutOR.com

  8. How many staff do you need? You need the equivalent of 20 experienced members of staff www.LearnAboutOR.com

  9. Anything else you need to consider? Head Office states that you must employ at least one experienced member of staff for every three inexperienced members of staff www.LearnAboutOR.com

  10. Let’s summarise the problem 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

  11. This is an example ofLinear Programming www.LearnAboutOR.com

  12. Linear Programming Problems The aim is to choose the best combination of a number of quantities to optimise the outcome, subject to certain constraints www.LearnAboutOR.com

  13. Another example of 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

  14. What next? Over the next few lessons, we will look at ways of approaching problems of this type… www.LearnAboutOR.com

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