# Operations Research

• ## What is Opportunity Loss Table?

Opportunity Loss Table : The opportunity Loss is defined as the difference between highest possible profit for a state of nature and the actual profit...

• ## Uses of Slack, Surplus and Artificial variables in LPP

Uses of Slack, Surplus and Artificial variables in LPP. (Apr 2004)   Slack variable: It is used o convert a Less than or equal to...

• ## Compare transportation problem and Assignment problem

Assignment Problem Transportation Problem (i)      Assignment means allocating various jobs to various people in the organization. Assignment should be done in such a...

• ## What is Balanced or Unbalanced Assignment problem?

The Assignment problem can be Balanced or Unbalanced problem. A Balanced problem means the no. of rows and no. of columns in the problem are...

• ## What is Laplace Criterion?

Laplace Criterion : This criterion is based on the principle of insufficient reason and was developed by Thomas Bayels and supported by simon de laplace....

• ## What is Restricted assignment problem, which is an unbalanced problem?

Restricted assignment problem, which is an unbalanced problem. (Apr 2003)   A restricted assignment problem is the one in which one or more allocations are...

• ## What is Looping in a Transportation problem?

Looping in a Transportation problem.  (Apr 2004)   In transportation problem we get a loop when solution is not optimal. We find delta value (opportunity...

• ## What is Prohibited or Restricted Assignment problem?

Prohibited or Restricted problem: A Prohibited problem is the one in which there are one or more restrictions. E. g. say there are 4 contractors...

• ## Necessary and sufficient conditions for critical path in PERT / CPM

Necessary and sufficient conditions for critical path in PERT / CPM. (Apr 2006)   Necessary conditions: If Earliest occurrence time equals Latest occurrence time for...

• ## What is Expected Opportunity Loss (EOL)?

Expected Opportunity Loss (EOL) : One more way of maximizing monetory value is to minimize the expected opportunity loss or expected value of regret. The...

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