nauty-delptg man page

nauty-delptg — delete vertices

Synopsis

delptg [-lq] [-d#|d#:#] [-n#] [infile [outfile]]

Description

Delete some vertices from a file of graphs.

The output file has a header if and only if the input file does. No isomorph reduction is done.

-l
Canonically label outputs

-d# -d#:# Only remove vertices with original degree in the given range

For digraphs, the out-degree is used.

-n# The number of vertices to delete (default 1).

Inputs that are too small are ignored; no empty graphs are output.
-q
Suppress auxiliary information

Info

September 2016 nauty 2.6.7 Nauty Manual