Page 179 - Materials Chemistry, Second Edition
P. 179
9.2 Literature reviews 177
Environmental Environmental Economic Environmental Economic
Social
Social Social
Alternative 1 Alternative 2 Alternative m
MCDM
Environmental Economic
Social
Best Alternative
FIG. 9.1 The combination of LCSA and MCDM.
alternatives (a 1 , a 2 , …, a n ), the decision-making matrix (X) contains the information of data
(x ij )of ith criterion with respect to jth alternative where i¼1, 2, …, m, and j¼1, 2, …, n,as
shown by Eq. (9.1).
a 1 a 2
0 ⋯ a n 1
c 1 x 11 x 12 ⋯ x 1n w 1
B C
X ¼ c 2 x 21 x 22 ⋯ x 2n w 2 (9.1)
B C
@ ⋮ ⋮ ⋱ ⋮ A ⋮
…
c m x m1 x m2 ⋯ x mn w m
To engage more possibilities in practice, the data of criteria with respect to multiple alterna-
tives have been extended into different formats.