A module containing constructors for several common matroids.
A list of all matroids in this module is available via tab completion. Let <tab> indicate pressing the tab key. So begin by typing matroids.<tab> to see the various constructions available. Many special matroids can be accessed from the submenu matroids.named_matroids.<tab>.
To create a custom matroid using a variety of inputs, see the function Matroid().