Gelfand-Bratu This demo has the following subdirectories: - Original: The original Gelfand-Bratu problem. - Time-Integration: Time-integration of the Gelfand-Bratu equations. - Generalized: A generalized Gelfand-Bratu problem - Complex: The Gelfand-Bratu equation with complex dependent variable - Discontinuous: A Gelfand-Bratu type equation with a continuous, but non-smooth RHS.