Fuzzy clustering:
[Photo] based on fuzzy clustering analysis matlab - Baidu Library https://wenku.baidu.com/view/cc91efea102de2bd960588ae.html#opennewwindow
Cluster analysis done by matlab - Baidu library https://wenku.baidu.com/view/8580263d67ec102de2bd89e1.html?re=view&rec_flag=default&sxts=1583258894151