Patent Document ID: 20020075270
Application ID: 09740583
Patent Flag: 0

Claim One:
1. A method for visualizing changes to a system model, said method comprising the steps of: constructing an influence diagram including a plurality of data entities and calculation entities interconnected by arrows, where each data entity and calculation entity has a predetermined shape; assigning a first set of data values to the data entities in the influence diagram; calculating output values for the calculation entities in connection with the first set of data values; assigning a second set of data values to the data entities in the influence diagram where the second set of data values is different than the first set of data values; calculating output values for the calculation entities in connection with the second set of data values, and modifying the appearance of the influence diagram to show current values or a difference between the calculations based on the first set of data values and the calculations based on the second set of data values.