<http://webisa.webdatacommons.org/141803502>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<scipy.org> .
<http://webisa.webdatacommons.org/prov/516248543>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/141803502> .
<http://webisa.webdatacommons.org/141803502>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/141803502>	<http://www.w3.org/ns/prov#value>	"* where P is a permutation matrix, L is unit lower triangular, and U is" .