Long-Term Room and Pillar Mine Production Planning Based on Fuzzy 0-1 Linear Programing and Multicriteria Clustering Algorithm with Uncertainty

Table 6

Class centers of metal price.

Metal price	Class center (m=1,2,…,7)
	c1	c2	c3	c4	c5	c6	c7
Lead ($/t)	1176	1689	1863	2064	2205	2381	2665
Zinc ($/t)	1236	1816	2014	2176	2344	2695	3244