Description Usage Arguments Value Author(s) References Examples

Considering the definition of LR fuzzy number in `LR`

, if the left and the right shape functions of a LR fuzzy number are be equal (i.e., * L(.) = R(.) *), then LR fuzzy number is a L fuzzy number which denoted by * (n, α, β)L *.
Function `L`

introduce a total form for L fuzzy number to computer.

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`m` |
The core of L fuzzy number |

`m_l` |
The left spread of L fuzzy number |

`m_r` |
The right spread of L fuzzy number |

This function help to users to define any L fuzzy number after introducing the left shape function L. This function consider L fuzzy number L(m, m_l, m_r) as a vector with 4 elements. The first three elements are m, m_l and m_r respectively; and the fourth element is considerd equal to 0.5 for distinguish L fuzzy number from LR and RL fuzzy numbers.

Abbas Parchami

Dubois, D., Prade, H., Fuzzy Sets and Systems: Theory and Applications. Academic Press (1980).

Taheri, S.M, Mashinchi, M., Introduction to Fuzzy Probability and Statistics. Shahid Bahonar University of Kerman Publications, In Persian (2009).

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