2) Given the constraint below:
7T – 8W + 3K + 100 = -800 – K – T
a) Convert the constraint into a Standard Form:
b)What is the basic variable associated with the Standard Form constraint above?
c)Convert the constraint into Tableau form:
d)What is the basic variable associated with the Tableau Form constraint?
e)Write the objective function of the LP in a general form, which has n variables and m equations.
a)
In standard form, variables are on the left hand side and constants on the right hand side. Resulting equation is:
(7T - 8W + 3K) - (-K - T) = -800 - 100
8T - 8W + 4K = -900
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b)
Basic variable associated with the standard form is T, W, K
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c)
Tableau form is following:
T | W | K | a1 | |||
-M | a1 | 8 | -8 | 4 | -1 | -900 |
where, M is a hypothetical large number
and a1 is auxiliary constraint, having a negligibly small value.
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d)
Basic variable associated with the tableau form constraint is either slack/surplus or auxiliary variable.
In this case, there is no slack or suplus variable. So, auxiliary variable, a1, is the basic variable of initial tableau.
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e)
Generalized form of objective function of LP is:
Maximize Z = CijXij, where i={1,2,..n}, and j={1,2,..m}
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