Open AccessSource apportionment of fine atmospheric particles using positive matrix factorization in Pretoria, South Africa
Author(s) -
AS Adeyemi,
Péter Molnár,
Johan Boman,
Janine Wichmann
Publication year - 2022
Publication title -
clean air journal
Language(s) - English
Resource type - Journals
eISSN - 2410-972X
pISSN - 1017-1703
DOI - 10.17159/caj/2022/32/1.13931
Subject(s) - apportionment , matrix (chemical analysis) , factorization , nonnegative matrix , non negative matrix factorization , geography , environmental science , environmental chemistry , chemistry , matrix decomposition , mathematics , physics , political science , chromatography , algorithm , eigenvalues and eigenvectors , symmetric matrix , quantum mechanics , law