Linear Programming, cost minimisation.

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  • Profile photo of acca13
    acca13
    Participant

    Hi,

    There is a question in Kaplan’s old revison kit titled, ‘Private Hospital’. It’s pretty lenghty, so reproducing it will take quite some time.

    I need to know about one of it’s constraints, which is x>y. When it’s plotted on the graph it’s x=y. This line is plotted on like a 45 degree angle. My question is, do we assume the values of x and y? like x=20, y=20 and x=40, y=40, when plotted these values gives 2 points and thats how the line is made..
    Is that right? Do we assume the values?

    Thanks in advance.


    Profile photo of Vipin
    Vipin
    Participant

    for any equation, you can assume any value for x and then find corresponding value of y.

    take x=0, then find corresponding value of y. here , it would be 0.

    take another value for x, say 20, then find corresponding value of y. here it would be 20.

    two such points are enough to draw a line.

    next factor is to find feasible region. for x>y, it would be below the line. as x can take any value greater than y. for x


    Profile photo of acca13
    acca13
    Participant

    Thank you for the help, Vipin..

    God bless.


    Profile photo of John Moffat
    John Moffat
    Keymaster

    Well done Vipin :-)

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