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sets and systems ELSEVIER
Fuzzy Sets and Systems 69 (1995) 231
Erratum Fuzzy system reliability analysis using fuzzy number arithmetic operations Fuzzy Sets and Systems 64 (1994) 31-38 Shyi-Ming Chen Department of Computer and Information Science, National Chiao Tung University, Hsinchu, Taiwan, ROC Received July 1994
In the a b o v e paper, the formulas (11), (14), and (15), and Fig. 4 should be revised, respectively, by ( a l , b l , c l ) G ( a 2 , b 2 , c 2 ) = (al - c2,bl - b2,Cl - a2)
(11)
(a l, b l, cl) Q (a2, b2, c2) = (al/c2, bl/b2, cl/a2)
(14)
@/3 = (8, 10, 12) @(4, 5, 6) = (2, 5, 8)
(15)
AQ)/~ = (8, 10, 12)Q (4,5,6) = (8/6,2,3).
I -~_~__~. . . . .
8~i2 3 4 5 6 8
_~
10
~
12
~,~
15
18
32
50
72
Fig. 4. Fuzzy number operations.
T h e alternations do not affect the correctness of the m e t h o d presented in the paper.
Elsevier Science B.V. SSDI 0 1 6 5 - 0 1 1 4 ( 9 4 ) 0 0 2 3 5 - 5
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