About: http://webisa.webdatacommons.org/320953062

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	Like I say in my answer, Lagrange multipliers is mostly used when there are a small number of variables and everything is differentiable; otherwise, some iterative method is generally used.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com