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Table 7 The difference for positive and negative ideal result

From: Selecting the appropriate public transportation system to access the Sari International Airport by fuzzy decision making

Alternative

Relative closeness to the right ideal solution

Relative closeness to the right ideal solution

Train

d +1  = 0.025709

d −1  = 0.069037

Bus

d +2  = 0.051321

d −2  = 0.032903

Van Shuttle

d +3  = 0.060811

d −3  = 0.038327