About: http://webisa.webdatacommons.org/292268244

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Indeed, the EL equations are a necessary condition for extremizing the functional, so it is immediate there are no $f$ that maximises your function.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com