Pajek (.net) Graph Format
Pajek file format
Pajek is a text-based file format for storing a single directed or undirected graph.
The GraphTheory[ImportGraph] and GraphTheory[ExportGraph] commands can read from and write to this format.
The general-purpose commands Import and Export also support this format.
Import a Pajek file encoding the Petersen graph.
Petersen ≔ Import⁡example/petersen.net,base=datadir
Petersen≔Graph 1: an undirected graph with 10 vertices and 15 edge(s)
Import a Pajek file encoding the constellation Draco.
Draco ≔ Import⁡example/draco.net,base=datadir
Draco≔Graph 2: an undirected graph with 14 vertices and 14 edge(s)
Export the Levi graph to a Pajek file in the home directory of the current user.
LG ≔ GraphTheory:-SpecialGraphs:-LeviGraph⁡
LG≔Graph 3: an undirected graph with 30 vertices and 45 edge(s)
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