Table 1.

Hesitant interval-valued intuitionistic fuzzy decision matrix $R={({\tilde{\alpha }}_{ij})}_{\mathrm{4}\times \mathrm{4}}$.

	c 1	c 2	c 3	c 4
a 1	{〈[0.4,0.5], [0.2,0.3]〉}	{〈[0.1,0.2], [0.3,0.4]〉, 〈0.7,0.3〉}	{〈[0.5,0.6], [0.3,0.4]〉}	{〈0.4,0.2〉}
a 2	{〈[0.7,0.8], [0.1,0.2]〉}	{〈[0.3,0.4], [0.2,0.3]〉, 〈[0.6,0.7], [0.1,0.3]〉}	{〈[0.5,0.6], [0.2,0.4]〉}	{〈[0.6,0.7], [0.1,0.3]〉}
a 3	{〈[0.4,0.5], [0.3,0.4]〉}	{〈[0.4,0.5], [0.2,0.3]〉}	{〈[0.7,0.8], [0.1,0.2]〉}	{〈[0.6,0.7], [0.1,0.3]〉}
a 4	{〈[0.5,0.6], [0.2,0.3]〉}	{〈0.6,0.3〉}	{〈[0.2,0.3], [0.1,0.2]〉,  〈[0.5,0.6], [0.2,0.3]〉}	{〈[0.7,0.8], [0.1,0.2]〉}