{"id":"S85082221","label":"Matrix derivatives","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85082221","normalized_label":"matrix derivatives","broader":["http://id.loc.gov/authorities/subjects/sh85052327","http://id.loc.gov/authorities/subjects/sh85082210"],"aliases":["Derivatives, Matrix"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85082221","provider":"lcsh","revision":"bd8699d81f4e1152","taxonomy_revision":"f050b5d4780b1289","title":"Matrix derivatives","url":"/topics/S85082221","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549962191856337412","address_version":"morton4x16-v1","coordinates":[0,20,18689,46080],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}