Magma - Maple Programming Help

Home : Support : Online Help : Mathematics : Algebra : Magma : Magma/Unrank

Magma

 Unrank
 compute a magma of a given rank and order

 Calling Sequence Unrank( r, n )

Parameters

 r - the rank n - the order of magmas in which to unrank r

Description

 • The Unrank command returns the r-th magma of order n.

Examples

 > $\mathrm{with}\left(\mathrm{Magma}\right):$
 > $\mathrm{Unrank}\left(2,3\right)$
 $\left[\begin{array}{ccc}{1}& {1}& {1}\\ {1}& {1}& {1}\\ {1}& {1}& {2}\end{array}\right]$ (1)
 > $\mathrm{Unrank}\left(12,3\right)$
 $\left[\begin{array}{ccc}{1}& {1}& {1}\\ {1}& {1}& {1}\\ {2}& {1}& {3}\end{array}\right]$ (2)

Compatibility

 • The Magma[Unrank] command was introduced in Maple 15.