Simplex Method Flashcards

1
Q

What must you always rearrange the objective function and constraints for?

A

a constant

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2
Q

Basic variables

A

Show by columns consisting of all 0s apart from a single 1

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3
Q

Non basic variables

A

Shown by columns that do not have all columns consisting of 0s apart from a single 1

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4
Q

What is the value of each non basic variable?

A

0

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5
Q

When a pivot is chosen in simplex method, what happens to its column? What happens to the column which has a 1 on the same row as the pivot?

A

The pivot column will become basic. The other one becomes non basic.

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6
Q

Interpret the pivot choice geometrically

A

it corresponds to moving along the edge y = 0 and checking where it meets the slack variables = 0. The first slack variable to be reached becomes the next basic feasible solution.

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