Null permutations are the equivalent of
nullcycle is an empty list coerced to class
nullword is a zero-row matrix, coerced to
These objects are here to deal with the case where a length-zero permutation is extracted. The behaviour of these null objects is not entirely consistent.
The objects documented here are distinct from the identity
id, documented separately.
1 2 3 4 5 6 7 8
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.