factoradicとは 意味・読み方・使い方

語源

Blend of factorial +‎ mixed radix. By surface analysis, factorial +‎ -adic.

形容詞

factoradic (not comparable)

1. (mathematics) Relating to or involving the factorial number system (a mixed radix numeral system adapted to numbering permutations).
   • 2013, Kazuhiro Kondo, Multimedia Information Hiding Technologies and Methodologies for Controlling Data, Hershey, P.A.: Information Science Reference, →ISBN, page 377:

     In addition, note that the sequence ${\displaystyle q_{n-1}q_{n-2}...q_{0}}$ is the factoradic representation of ${\displaystyle x}$ as follows: […]