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ISO Contribution Line

Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA PM Exams › ISO Contribution Line

  • This topic has 3 replies, 2 voices, and was last updated 7 years ago by John Moffat.
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • November 18, 2015 at 7:11 pm #283683
    Ibrahim
    Member
    • Topics: 41
    • Replies: 79
    • ☆☆

    Hi John I normally use simultaneous equation to find optimal solution on each point of intersection on the feasible region. but i dont know the basis that is used to find ISO contribution line. for eg when objective function C=9x+8y what assumption am I to make to find iso contribution line so that i only calculate the constraints that have optimal solution to save time.
    Thanks

    November 19, 2015 at 7:41 am #283847
    John Moffat
    Keymaster
    • Topics: 56
    • Replies: 51583
    • ☆☆☆☆☆

    You should watch the free lecture on linear programming where I explain how to do this.

    It is only the angle/gradient of the iso-contribution line that is needed and so you can let C be any figure you want because the angle will be the same whatever the value of C.

    In the free lecture I go through how to choose a sensible value for C in order to draw the line.

    November 20, 2015 at 6:08 am #284084
    Ibrahim
    Member
    • Topics: 41
    • Replies: 79
    • ☆☆

    I watched the lecture again and again, finally i got the silent point as the further away of the parallel line from origin i.e zero the greater the contribution.
    nice one OT!

    November 20, 2015 at 9:16 am #284115
    John Moffat
    Keymaster
    • Topics: 56
    • Replies: 51583
    • ☆☆☆☆☆

    Thats correct 🙂

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