Comments on "fuzzy programming with nonlinear membership functions..."

Han-Lin Li*, Chian Son Yu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Yang et al., in their paper "Fuzzy programming with nonlinear membership functions...", published in Fuzzy Sets and Systems 41 (1991), declared that their model can solve a fuzzy program with an S-shaped membership function by adding only one 0-1 variable. This paper indicates that their declaration is correct only for a specific type of S-shape membership functions. We propose another model to treat the fuzzy programs which cannot be solved effectively by Yang et al.

Original languageEnglish
Pages (from-to)109-113
Number of pages5
JournalFuzzy Sets and Systems
Issue number1
StatePublished - 1999


  • Fuzzy programming
  • Membership functions


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