For this example we will use a word of mouth sales model. Some of the conceptual foundations for developing models of this kind are covered in discussion of The Growth of a Field model.
EITHER
Ø | Open the model wom1.mdl contained in the directory UserGuide\chap12 (a completed version is provided in the Complete subdirectory). |
OR
Ø | Build the model as shown in the diagram and equation listing below and save it in the directory chap12 as wom2.mdl. Time Bounds are INITIAL TIME = 0, FINAL TIME = 5, TIME STEP = 0.0625, Units for Time: Year. |