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Table 1 Crisp and fuzzy values of the parameters

From: Periodic review inventory model for Gumbel deteriorating items when demand follows Pareto distribution

Parameters

Crisp

Parameters

Fuzzy

C p

150

\( {\overset{\sim }{C}}_p \)

(145, 150, 154)

C o

180

\( {\overset{\sim }{C}}_o \)

(173, 180, 190)

C b

4.2

\( {\overset{\sim }{C}}_b \)

(4, 4.2, 4.25)

C L

7.98

\( {\overset{\sim }{C}}_L \)

(7.68, 7.98, 8.48)

C h

3

\( {\overset{\sim }{C}}_h \)

(2.95, 3, 3.02)

C d

0.8

\( {\overset{\sim }{C}}_d \)

(0.76, 0.8, 0.81)

K d

7

\( {\overset{\sim }{K}}_d \)

6.4