dual simplex

# 1 1 2 4 2 1 1 1 4 4 2 1 41 1 0 0 0 0 1 0 0 0 3 0 4 1

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Unformatted text preview: ing y1 means we pivot on row 1. −1 −1 2 −4 −2 1 1 1 −4 −4 −2 −1 1 0 0 0 0 1 0 0 0 −3 0 −4 1 2 0 0 ← pivot row By how much can we increase the value of y1 ? Increasing y1 means we pivot on row 1. −1 −1 2 −4 −2 1 1 1 −4 −4 −2 −1 1 0 0 0 0 1 0 0 0 −3 0 −4 1 2 0 0 ← pivot row By how much can we increase the value of y1 ? − y1 − 4y2 + y3 ≥ −4 − y1 − 2y2 + y3 ≥ −2 2y1 + y2 − 4y3 ≥ −1 Increasing y1 means we pivot on row 1. −1 −1 2 −4 −2 1 1 1 −4 −4 −2 −1 1 0 0 0 0 1 0 0 0 −3 0 −4 1 2 0 0 ← pivot row By how much can we increase the value of y1 ? − y1 − 4y2 + y3 ≥ −4 − y1 − 2y2 + y3 ≥ −2 2y1 + y2 − 4y3 ≥ −1 ratio 4/1 2/1 Increasing y1 means we pivot on row 1. −1 −1 2 −4 −2 1 1 1 −4 −4 −2 −1 4/1 1 0 0 0 0 1 0 0 0 −3 0 −4 1 2 0 0 ← pivot row ratios 2/1...
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