random_element is the standard method that Sage parents provide to produce a random element.

As the objects in interactive_simplex_method do not use the parent/element framework, we just make it a static method of the class.

The existing function random_dictionary is kept as an alias.

CC: @yuan-zhou @novoselt

Component: linear programming

Author: Matthias Koeppe

Branch/Commit: a6b7d5c

Reviewer: Yuan Zhou

Issue created by migration from https://trac.sagemath.org/ticket/31307