Malmquist Productivity Index by Extended VIKOR Method Using Interval Numbers

Table 1

Matrix format of a MADM problem.

	𝐶1	𝐶2	…	𝐶𝑛
𝐴1	𝑓11	𝑓12	…	𝑓1𝑛
𝐴2	𝑓21	𝑓22	…	𝑓2𝑛
⋮	⋮	⋮	⋮	⋮
𝐴𝑚	𝑓𝑚1	𝑓𝑚2	…	𝑓𝑚𝑛

𝑊=[𝑤₁,𝑤₂,…,𝑤_𝑛].