Table 1 Computational results of the proposed and extant distance measures (Bold and highlighted cell shows unreasonable results and “NaN” represents division by zero problems).

From: Fermatean fuzzy score function and distance measure based group decision making framework for household waste recycling plant location selection

S

T

Case-1

{(e1,0.3,0.3)}

{(e1,0.4,0.4)}

Case-2

{(e1, 0.3, 0.4)} {(e1, 0.4, 0.3)}

Case-3

{(e1, 1, 0)}

{(e1, 0, 0)}

Case-4

{(e1, 0.5, 0.5)}

{(e1, 0, 0)}

Case-5

{(e1,0.4,0.2)}

{(e1,0.5,0.3)}

Case-6

{(e1,0.4,0.2)}

{(e1,0.5,0.2)}

d (S, T)

0.018

0.038

0.5

0.062

0.04

0.031

dA1 (S, T)

0.074

0.037

1

0.25

0.08

0.061

dA2 (S, T)

0

0.037

0.5

0

0.021

0.03

dA3 (S, T)

0.037

0.037

0.75

0.125

0.05

0.046

dA4 (S, T)

0.037

0.037

1

0.125

0.061

0.061

dA5 (S, T)

0.929

0.929

0

0.778

0.885

0.885

dA6 (S, T)

0.578

0.578

NaN

1

0.617

0.195

dA7 (S, T)

0.578

0.578

1

1

0.526

0.459

dG1 (S, T)

0.071

0.071

1

0.222

0.078

0.061

dG2 (S, T)

0.073

0.073

1

0.234

0.079

0.061

dG3 (S, T)

0.074

0.074

1

0.25

0.08

0.061

dG4 (S, T)

0.074

0.074

1

0.246

0.08

0.061

dk (S, T)

0.315

0.305

0.854

0.389

0.325

0.316