STEM help / Data dialogs

Transformation / Input–Output Mapping

An Input–Output Mapping transformation may be selected from the Type menu in the Input and Transformation dialog. It is used to specify a non-linear relationship between Demand and Supply.

These inputs are accessed via the Input and Transformation dialog.

Output Unit

Select the output unit that you want to use from the drop-down list box, or define your own. The selection has no effect on the model but is used in results graphs.

Default: none.

Multiplier (2)

Multiplies the Input of a Transformation to calculate its Output.

Default: Constant {1.0}.

Input-Output Mapping

Mapping (2)

A user-defined Mapping which defines a non-linear relationship between the Input of an Input–Output Mapping Transformation and its Output. The Mapping is defined very much like a time-series input, except that it is a function of the Input rather than time.

Default: Constant {0.0}.

Input

Identifies an element as a source of demand for a Transformation; together with a Basis, which specifies the particular result, associated with that element, which defines the size of that Input in any year. Expression Transformations have several inputs, called Input 1, Input 2, and so on.

Default: Resource (<none>, Installed Capacity). For an Erlang B Formula transformation, Service (<none>, Busy Hour Traffic). For a Time Factor transformation, Transformation (<none>).

 

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