System Dynamics Pitfalls and Pointers
Input of Dependent Variables
We often need to provide graphical inputs into models. Limited
data sets may be depicted conveniently in graphical form. Here
the method of creating graphical input into a model when
one variable is dependent upon another, is explained and demonstrated.
Powersim Studio GRAPH functions are explained.
There are four GRAPH functions.
Each of these defines inputs and possible outputs in a
different way. Powersim Studio GRAPH functions are GRAPH, GRAPHCURVE, GRAPHLINAS
and GRAPHSTEP. GRAPH is used as a representative example to
explain and demonstrate how each might be used.
The following is
designed to explain how to build graphical relationships of variables
which are dependent upon other variables .
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