Some Interval 2-Tuple Linguistic Harmonic Mean Operators and Their Application in Material Selection

Table 2

Interval 2-tuple linguistic decision matrix of the four decision makers.

Decision-makers	Alternatives	Attributes
		DM1		[(), ()]	[(), ()]	[(), ()]	[(), ()]
	[(), ()]		[(), ()]	[(), ()]	[(), ()]
	[(), ()]		[(), ()]	[(), ()]	[(), ()]
	[(), ()]		[(), ()]	[(), ()]	[(), ()]
	[(), ()]		[(), ()]	[(), ()]	[(), ()]
DM2		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
DM3		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
DM4		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]
		[(), ()]	[(), ()]	[(), ()]	[(), ()]