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Inventory models deal with the problem of determination of how much to order at a point in time and when to place an order. The main objective is to minimize the sum of three conflicting inventory costs. the cost of holding or carrying extra inventory the cost of shortage or delay in the delivery of items when it is needed a cost of ordering or setup. These are also useful in dealing with quantity discounts and selective inventory control.
Sample Survey Methods: If proposed investigation is done only on a part taken out of universe then it will be known as sample survey. This part of the universe is kno
What are the features of blending model
model building is the essence of the operational research discuss
In large sized linear programming problems, the solution cannot be obtained by the graphical method and hence a more systematic method has to be developed to find
How to solve linear programming problems using simplex method introducing slack variable,surplus variable and artificial variable
Tied Ranks Equal or Repeated Rank When two or more items have equal values it is difficult to give ranks to them. In that case the items are given the average of the
Solve the following Linear Programming Problem using Simplex method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Among other limitations of O. R the followings deserve mention: a. Basis: The operational researchers must be unbiased. An attempt to shoehorn result sin to a confirmation of ma
What are artificial variable why do you need them
Maximize Z = 2x - 7y subject -2x + 3y = 3 4x + 5y >= 10 6x + 7y 4x + 8y >= 5
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