“Kronecker Product Operations to Find Functions of Higher Dimensions Using Least Squares Method”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 31, no. 1 (October 18, 2021): 31–42. Accessed November 19, 2024. https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/347.