Sanakirja.org

Määritelmät

Adjektiivi

1. Without end, eternal.
2. (linear algebra, combinatorics) Given an ${\displaystyle n\times n}$ matrix ${\displaystyle a_{ij}\,}$, the sum over all permutations ${\displaystyle \pi \,}$ of ${\displaystyle \prod _{i=1}^{n}{a_{i\pi (i)}}}$.

Substantiivi

1. A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
2. (linear algebra, combinatorics) Given an n × n matrix a_{ij} \,, the sum over all permutations π \, of ∏_{i=1}^n{a_{iπ(i)}}.
3. (collectible card games) A card whose effects persist beyond the turn on which it is played.

Verbi

1. (transitive, dated) To perm (the hair).