<http://webisa.webdatacommons.org/prov/516172264>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/318458467> .
<http://webisa.webdatacommons.org/318458467>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/318458467>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<exelisvis.com> .
<http://webisa.webdatacommons.org/318458467>	<http://www.w3.org/ns/prov#value>	"where A is a (possibly rank-deficient) n-column by m-row array, b is an m-element input vector, and x is the n-element solution vector." .