Research Article

Development of a Bounded Two-Stage Data Envelopment Analysis Model in the Intuitionistic Fuzzy Environment

Table 1

Trapezoidal intuitionistic fuzzy inputs for the first stage of the 12 DMUs.

DMUInput1Input2

1(7,9,11,16;0.9), (3,9,11,17;0.1)(3,6,6,7;1), (1,6,6,8;0)
2(3,5,5,8;1), (2,5,5,11;0)(7,9,9,12;0.9), (6,9,9,23;0.1)
3(5,7,7,10;0.9), (4,7,7,13;0.1)(9,11,11,14; 1), (8,11,15,45;0)
4(22,22,22,41;0.8), (21,22,22,42;0.1)(3,10,10,10;1), (3,10,10,11;0)
5(8,10,12,17;0.9), (4,10,12,18;0.1)(6,6,6,31;1), (5,6,6,33;0)
6(5,7,7,10;1), (4,7,13,1;0)(4,7,7,8;1), (2,7,7,9;0)
7(10,10,10,29;0.8), (10,10,10,30;0.1)(8,10,10,13;0.9), (7,10,10,24;0.1)
8(10,12,13,19;0.9), (6,12,14,21;0.1)(4,6,8,13;1), (1,6,8,15;0)
9(5,7,9,14;0.9), (1,7,9,15;0.1)(6,13,13,13;1), (6,13,13,14;0)
10(10,12,14,19;0.9), (6,12,14,20;0.1)(7,7,7,32;1), (6,7,7,34;0)
11(11,13,20,30;0.9), (7,13,20,32;0.1)(6,8,20,25;0.9), (3,8,20,27;0.1)
12(10,15,30,35;0.8), (7,15,30,38;0.1)(16,20,36,40;0.8), (13,20,36,41;0.1)