Malmquist Productivity Index by Extended VIKOR Method Using Interval Numbers

Table 2

Matrix format of a MADM problem with interval data.

	𝐶1	𝐶2	…	𝐶𝑛
𝐴1	𝑓^𝐿11,𝑓^𝑈11	𝑓^𝐿12,𝑓^𝑈12	…	𝑓^𝐿1𝑛,𝑓^𝑈1𝑛
𝐴2	𝑓^𝐿21,𝑓^𝑈21	𝑓^𝐿22,𝑓^𝑈22	…	𝑓^𝐿2𝑛,𝑓^𝑈2𝑛
⋮	⋮	⋮	⋮	⋮
𝐴𝑚	𝑓^𝐿𝑚1,𝑓^𝑈𝑚1	𝑓^𝐿𝑚2,𝑓^𝑈𝑚2	…	𝑓^𝐿𝑚𝑛,𝑓^𝑈𝑚𝑛

𝑊=[𝑤₁,𝑤₂,…,𝑤_𝑛].