Hi
I have a doubt in a question in iso contribution lines. Im not sure how to show it to you as i cant look for a attach button.
But the question is in study text of f5, question about shaping and mixing departments.
I got everything, but in this example, the maximum point is the intersection of y = 13,000 and 0.04x + 0.12y = 2,400. and thats wrong, according to the point they took other intersection point of two lines which is lower than the previous point (where y = 13,000 and 0.04x + 0.12y = 2,400 were intersecting)
Am i missing an important point here?
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Linear programming
9y ago#1It is impossible for me to comment on this particular question, without seeing it in full.
Have you watched my free lectures on linear programming? (The lectures are a complete free course for Paper F5 and cover everything needed to be able to pass the exam well)
Yes, i have watched your lecture.
After we get the iso-contribution lines, we draw parallel lines and see till which maximum point it touches within the feasible region. Then, we see which two lines intersect at that point within the feasible region.
Is that right?
Is it necessary that the highest point will ALWAYS give the maximum contribution?
9y ago#3Yes - it is always at the point furthest away from the origin without leaving the feasible region, and that will always give the maximum contribution.
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