{"id":1695,"date":"2016-11-14T17:08:39","date_gmt":"2016-11-14T16:08:39","guid":{"rendered":"http:\/\/www.supagro.fr\/wordpress\/modeleco\/?page_id=1695"},"modified":"2019-11-14T11:55:48","modified_gmt":"2019-11-14T10:55:48","slug":"activite-13a-desserrer-les-contraintes-solution","status":"publish","type":"page","link":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence2\/cours1-enrichir-le-modele-de-base\/lecon13\/activite-13a-desserrer-les-contraintes-solution\/","title":{"rendered":"Activit\u00e9 13A : Desserrer les contraintes – Solution"},"content":{"rendered":"

Bien que le mod\u00e8le renvoie une solution, le statut du mod\u00e8le<\/strong> est 3 ce qui signifie Unbounded. Il n’y a donc pas de solution optimale<\/strong>. On le voit \u00e0 plusieurs endroits :
\n<\/strong>dans la fen\u00eatre des processus<\/strong> (mais attention ce n’est pas \u00e9crit en rouge), il est \u00e9crit
\n\u00a0\u00a0\u00a0\u00a0<\/em> LP status(2): unbounded<\/span>
\n<\/strong>dans le fichier des r\u00e9sultats dans \u00ab\u00a0Solution Report\u00a0\u00bb<\/strong> :
\n\u00a0\u00a0\u00a0\u00a0 **** MODEL STATUS\u00a0 3 UNDOUNDED<\/span>
\n<\/strong>puis dans les variables \u00ab\u00a0SolVAR\u00a0\u00bb<\/strong> pour var MOS :
\n\u00a0\u00a0\u00a0\u00a0<\/em> hiver\u00a0\u00a0\u00a0\u00a0 .\u00a0\u00a0\u00a0\u00a0\u00a0 .\u00a0\u00a0\u00a0\u00a0 +INF\u00a0\u00a0 6.000 \u00a0\u00a0 UNBND<\/span>
\n<\/strong>enfin \u00e0 la fin du fichier \u00ab\u00a0Report Summary\u00a0\u00bb<\/strong> :
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em> **** Report Summary 0 NONOPT 0 INFEASIBLE 1 UNBOUNDED (UNBND)<\/span>
\n<\/strong><\/p>\n

T\u00e9l\u00e9chargez le mod\u00e8le solution : travail3.gms<\/a><\/p>\n

La param\u00e8tre result s\u2019\u00e9crit :
\n
\nParameter RESULT(*,*);
\nRESULT(c,t) = X.L(c,t);
\nRESULT(‘Terre’, ‘Total’) = TERRE.L;
\nRESULT(‘Terre’, ‘Marginal’)=TERRE.M;
\nRESULT(‘Travail_Hiver’, ‘Total’) = TRAVAIL.L(‘hiver’);
\nRESULT(‘Travail_Hiver’, ‘Marginal’)= TRAVAIL.M(‘hiver’);
\nRESULT(‘Travail_Ete’, ‘Total’) = TRAVAIL.L(‘ete’);
\nRESULT(‘Travail_Ete’, ‘Marginal’)= TRAVAIL.M(‘ete’);
\nRESULT(‘MOS_Hiver’, ‘Total’)=MOS.L(‘hiver’);
\nRESULT(‘MOS_Ete’, ‘Total’)=MOS.L(‘ete’);
\nRESULT(‘Eau’, ‘Total’) = EAU.L;
\nRESULT(‘Eau’, ‘Marginal’)= EAU.M;
\nRESULT(c,’TOTAL’) = sum(t, X.L(c,t));
\nRESULT(‘StatutDuModele’, ‘Total’)= modelS2.ModelStat ;
\nDisplay RESULT ;
\n<\/span>
\nPour exporter les donn\u00e9es sous Excel, il faut \u00e9crire les lignes de code suivantes :
\n
\nexecute_unload ‘resultat_travail3_B.gdx’ RESULT ;
\nexecute ‘gdxxrw.exe resultat_travail3_B.gdx par=RESULT’\u00a0\u00a0\u00a0\u00a0 ;
\n<\/span><\/p>\n

\"retourAlEnonce\"<\/a>\"retourAuSommaireDuCours\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Bien que le mod\u00e8le renvoie une solution, le statut du mod\u00e8le est 3 ce qui signifie Unbounded. Il n’y a donc pas de solution optimale. On le voit \u00e0 plusieurs endroits : dans la fen\u00eatre des processus (mais attention ce Continuer la lecture Activit\u00e9 13A : Desserrer les contraintes – Solution<\/span>→<\/span><\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"parent":397,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1695","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/1695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/comments?post=1695"}],"version-history":[{"count":11,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/1695\/revisions"}],"predecessor-version":[{"id":4192,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/1695\/revisions\/4192"}],"up":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/397"}],"wp:attachment":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/media?parent=1695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}