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x - Prof. Doutor Jorge Olivio Penicela Nhambiu

x - Prof. Doutor Jorge Olivio Penicela Nhambiu

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a variável<br />

que sai: x 5<br />

linha pivotal:<br />

i =3<br />

pivot<br />

C B<br />

0<br />

5<br />

0<br />

c j<br />

X B<br />

x 3<br />

x 2<br />

x 5<br />

z j<br />

c j -z j<br />

Faculdade de Engenharia – Optimização<br />

Algoritmo Primal Simplex.<br />

Exemplo: 2º quadro, passo 4.<br />

• Passo 4: Determinar a variável básica que sai.<br />

3 5 0 0 0<br />

x 1 x 2 x 3 x 4 x 5<br />

1<br />

0<br />

0<br />

1<br />

1<br />

0<br />

0<br />

1<br />

2<br />

0<br />

0<br />

3 0 0 -1 1<br />

0 5 0<br />

5<br />

2 0<br />

3 0 0 -<br />

5<br />

2<br />

0<br />

máximo<br />

<strong>Prof</strong>. <strong>Doutor</strong> Engº <strong>Jorge</strong> <strong>Nhambiu</strong><br />

coluna pivotal: j =1<br />

b<br />

4<br />

6<br />

6<br />

30<br />

4/1= 4<br />

6/3= 2<br />

mínimo<br />

(menor<br />

quociente)<br />

30

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