BondLib.UsersGuide.Versions.Version_2_3

# .BondLib.UsersGuide.Versions.Version_2_3

Version 2.2 -> Version 2.3 (September 24, 2007)

## Information

The following improvements were made between Version 2.2 and Version 2.3:

1. System Dynamics library: A new System Dynamics library has been added. Its levels and rates have been modeled as encapsulated bond graphs. Since there are no wrapper models used, it is the user's responsibility to verify that Levels and Rates always toggle. All Level models end in junctions, whereas all Rate models end in bonds. This is an exciting development as it enables us for the first time to model also population dynamics and macro-economic models in a systematic fashion using bond graphs.

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