5.184. incomparable

DESCRIPTIONLINKS
Origin

Inspired by incomparable rectangles.

Constraint

πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽ(πš…π™΄π™²πšƒπ™Ύπš1,πš…π™΄π™²πšƒπ™Ύπš2)

Synonym

πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽπšœ.

Arguments
πš…π™΄π™²πšƒπ™Ύπš1πšŒπš˜πš•πš•πšŽπšŒπšπš’πš˜πš—(πšŸπšŠπš›-πšπšŸπšŠπš›)
πš…π™΄π™²πšƒπ™Ύπš2πšŒπš˜πš•πš•πšŽπšŒπšπš’πš˜πš—(πšŸπšŠπš›-πšπšŸπšŠπš›)
Restrictions
πš›πšŽπššπšžπš’πš›πšŽπš(πš…π™΄π™²πšƒπ™Ύπš1,πšŸπšŠπš›)
πš›πšŽπššπšžπš’πš›πšŽπš(πš…π™΄π™²πšƒπ™Ύπš2,πšŸπšŠπš›)
|πš…π™΄π™²πšƒπ™Ύπš1|β‰₯1
|πš…π™΄π™²πšƒπ™Ύπš2|β‰₯1
|πš…π™΄π™²πšƒπ™Ύπš1|=|πš…π™΄π™²πšƒπ™Ύπš2|
Purpose

Enforce that when the components of πš…π™΄π™²πšƒπ™Ύπš1 and πš…π™΄π™²πšƒπ™Ύπš2 are ordered, and respectively denoted by πš‚πš…π™΄π™²πšƒπ™Ύπš1 and πš‚πš…π™΄π™²πšƒπ™Ύπš2, we neither have πš‚πš…π™΄π™²πšƒπ™Ύπš1[i].πšŸπšŠπš›β‰€πš‚πš…π™΄π™²πšƒπ™Ύπš2[i].πšŸπšŠπš› (for all i∈[1,|πš‚πš…π™΄π™²πšƒπ™Ύπš1|]) nor have πš‚πš…π™΄π™²πšƒπ™Ύπš2[i].πšŸπšŠπš›β‰€πš‚πš…π™΄π™²πšƒπ™Ύπš1[i].πšŸπšŠπš› (for all i∈[1,|πš‚πš…π™΄π™²πšƒπ™Ύπš1|]).

Example
(16,2,4,11)

The πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽ constraint holds since 16>4 and 2<11.

Typical
|πš…π™΄π™²πšƒπ™Ύπš1|>1
Symmetries
  • Items of πš…π™΄π™²πšƒπ™Ύπš1 are permutable.

  • Items of πš…π™΄π™²πšƒπ™Ύπš2 are permutable.

  • Arguments are permutable w.r.t. permutation (πš…π™΄π™²πšƒπ™Ύπš1,πš…π™΄π™²πšƒπ™Ύπš2).

Used in

πšŠπš•πš•_πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽ.

See also

implies: πš•πšŽπš‘_πšπš’πšπšπšŽπš›πšŽπš—πš.

system of constraints: πšŠπš•πš•_πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽ.

Keywords

characteristic of a constraint: vector.

constraint type: predefined constraint.

Cond. implications

β€’ πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽ(πš…π™΄π™²πšƒπ™Ύπš1,πš…π™΄π™²πšƒπ™Ύπš2)

Β Β Β  withΒ  |πš…π™΄π™²πšƒπ™Ύπš1|=2

Β Β implies πšπš’πšœπš“πš˜πš’πš—πš(πš…π™°πšπ™Έπ™°π™±π™»π™΄πš‚1:πš…π™΄π™²πšƒπ™Ύπš1,πš…π™°πšπ™Έπ™°π™±π™»π™΄πš‚2:πš…π™΄π™²πšƒπ™Ύπš2).

β€’ πš’πš—πšŒπš˜πš–πš™πšŠπš›πšŠπš‹πš•πšŽ(πš…π™΄π™²πšƒπ™Ύπš1,πš…π™΄π™²πšƒπ™Ύπš2)

Β Β Β  withΒ  |πš…π™΄π™²πšƒπ™Ύπš1|=2

Β Β implies πš’πš—πš_πšŸπšŠπš•πšžπšŽ_πš™πš›πšŽπšŒπšŽπšπšŽ_πšŒπš‘πšŠπš’πš—(πš…π™°π™»πš„π™΄πš‚:πš…π™΄π™²πšƒπ™Ύπš1,πš…π™°πšπ™Έπ™°π™±π™»π™΄πš‚:πš…π™΄π™²πšƒπ™Ύπš2).