(a) Show that an arc (i, j) with flow limited by iij ::5 Xi; ::5 Ui; can be represented equivalently by a sink with demand ii; at node i and a source with supply li; at node j with flow limited by 0 ::5 Xi; ::5 lli; - li;'
(a) Show that an arc (i, j) with flow limited by iij ::5 Xi; ::5 Ui; can be represented equivalentlyby a sink with demand ii; at node i and a source with supply li; at node j withflow limited by 0 ::5 Xi; ::5 lli; - li;'