n crtn ptmztn prblms th nknwn ptml sltn mght nt b nmbr r vctr, bt rthr cntns qntty, fr xmpl fnctn r th shp f bdy. Sch prblm s n nfnt-dmnsnl ptmztn prblm, bcs, cntns qntty cnnt b dtrmnd by fnt nmbr f crtn dgrs f frdm.