Association Journal of CSIAM
Supervised by Ministry of Education of PRC
Sponsored by Xi'an Jiaotong University
ISSN 1005-3085  CN 61-1269/O1
Chinese Journal of Engineering Mathematics
Grey ${\rm GM}(2,1)$ Model with Complex Solution and Its Applications
CHENG Maolin
Chinese Journal of Engineering Mathematics . 2023, (5): 763 -778 .  DOI: 10.3969/j.issn.1005-3085.2023.05.006