15.04.2018 Views

COURS7-THG-2018

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

COURS No 7 : ORDONNANCEMENTS<br />

Exemple<br />

Le graphe PERT de l’exemple précédent est :<br />

<br />

0<br />

0<br />

0<br />

D a<br />

D b<br />

D c<br />

a,6<br />

b,3<br />

c,6<br />

F a<br />

F b<br />

F c<br />

0<br />

0 D d<br />

0<br />

d,2<br />

D e<br />

0<br />

e,4<br />

D f<br />

0<br />

F d<br />

F e<br />

f,3<br />

0<br />

D g<br />

F f<br />

0<br />

g,1<br />

F g<br />

0<br />

<br />

On procède aux simplifications :<br />

D a , D b , D c forment un sommet unique 1. F a , D f , F d forment le sommet unique 2<br />

F b , D d , D e forment le sommet unique 3. F c , D g , F e , F f forment le sommet unique 4<br />

F g , w forment le sommet unique 5<br />

On obtient le graphe PERT suivant :<br />

a,6<br />

2<br />

f,3<br />

1<br />

d,2<br />

4<br />

g,1<br />

5<br />

b,3<br />

e,4<br />

3

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!