This is represented on an interaction chart and is a complex non-linear relationship.
This non-linear relationship was first shown at intersections.
Central to our interest was the notion of "feedback", the non-linear relationship of input to output.
The following chart shows the non-linear relationship between gallons used over a given distance and miles per gallon.
This leads to a non-linear relationship between the fluorescence and the quencher (analyte).
The most popular caveats are non-linear relationships that are mistaken as a discontinuity.
It can therefore be used for judging non-linear relationships.
The use of non-parallel axes enabled the non-linear relationships to be incorporated into the model.
An electric arc has a non-linear relationship between current and voltage.
In some cases, an organigraph may be more appropriate, particularly if one wants to show non-linear, non-hierarchical relationships in an organization.