System Zoo Z109: Logistic growth with constant harvest from System Zoo 1 by Hartmut Bossel

Exercise 6 simulates a whale poplutation with a minimum reproductive capacity

System Zoo Z104: Exponential delay from System Zoo 1 by Hartmut Bossel

Adapted from Hartmut Bossel's "System Zoo 3 Simulation Models, Economy, Society, Development."

​Population model where the population is summarized in four age groups (children, parents, older people, old people). Used as a base population model for dealing with issues such as employment, care for the elderly, pensions dynamics, etc.

Presents the Z107 infection dynamics model from the Elementary Systems series in System Zoo 1.  Adapted from Hartmut Bossel's "System Zoo 1 Simulation Models, Elementary Systems, Physics, Engineering".

System Zoo Z109: Logistic growth with constant harvest from System Zoo 1 by Hartmut Bossel

Exercise 6 simulates a whale poplutation with a minimum reproductive capacity

System Zoo Z105: Time-dependent growth from System Zoo 1 by Hartmut Bossel

An exploration of interactions among 'fuzzy' qualitative concepts that interact to produce either tolerance or violent conflict. ​Z509 p43-49 System Zoo 3 by Hartmut Bossel.

System Zoo Z102: System state and state change from System Zoo 1 by Hartmut Bossel