<http://webisa.webdatacommons.org/prov/54798215>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/383075861> .
<http://webisa.webdatacommons.org/383075861>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/383075861>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/383075861>	<http://www.w3.org/ns/prov#value>	"In this context, I do not understand what is meant by the B norm where B is a matrix of the same dimensions as A. What does it mean to be orthogonal in another matrices' norm?" .