Table 2 Sets, indices and variables of... | Emerald Publishing

Table 2

Sets, indices and variables of the OPA model

Variables	Variable explanations
Sets
I	Set of experts ∀i ∈ I
J	Set of attributes ∀j ∈ J
K	Set of alternatives ∀k ∈ K
Indices
I	Index of the experts (1, …,p)
J	Index of preference of the attributes (1, …,n)
K	Index of the alternatives (1, …,m)
Variables
Z	Objective function
$W_{i j k}^{r}$	Weight (importance) of kth alternative based on jth attribute by ith expert at rth rank
$A_{i j k}^{r}$	The kth alternative based on attribute j by expert i at rank r

Variables	Variable explanations
Sets
I	Set of experts ∀i ∈ I
J	Set of attributes ∀j ∈ J
K	Set of alternatives ∀k ∈ K
Indices
I	Index of the experts (1, …,p)
J	Index of preference of the attributes (1, …,n)
K	Index of the alternatives (1, …,m)
Variables
Z	Objective function
$W_{i j k}^{r}$	Weight (importance) of kth alternative based on jth attribute by ith expert at rth rank
$A_{i j k}^{r}$	The kth alternative based on attribute j by expert i at rank r

Source(s): Mahmoudi and Javed (2022)