SWI-Prolog -- gen_state/1

Documentation
- Reference manual
  - The SWI-Prolog library
    - library(simplex): Solve linear programming problems
      - Introduction
        
        gen_state/1
        
        constraint/3
        
        maximize/3
        
        minimize/3
        
        variable_value/3
        
        objective/2
- Packages

Availability::- use_module(library(simplex)).

gen_state(-State)

Generates an initial state corresponding to an empty linear program.