Description Usage Arguments Details Value Note Author(s) See Also Examples

This function calculates the scale measure Sn for a matrix of trapezoidal fuzzy numbers `F`

. The employed metric in the calculation can be the 1-norm distance, the mid/spr distance or the *(\varphi,θ)*-wabl/ldev/rdev distance. The function first checks if the input matrix `F`

is given in the correct form (tested by `checkingTra`

).

1 |

`F` |
matrix of dimension |

`type` |
number 1, 2 or 3: if |

`a` |
number >0, by default |

`b` |
number >0, by default |

`theta` |
number >0, by default |

See examples

The function returns the scale measure Sn, which is a real number.

In case you find (almost surely existing) bugs or have recommendations for improving the functions comments are welcome to the above mentioned mail addresses.

Asun Lubiano <lubiano@uniovi.es>, Sara de la Rosa de Saa <rosasara@uniovi.es>

`checkingTra`

, `Rho1Tra`

, `DthetaphiTra`

, `DwablphiTra`

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