For example, in the linear regression formula of y = 3x + 7, there is only one possible outcome of "y" if "x" is defined as 2. If the relationship between two variables does not follow a straight line ...

Linear narratives are the most common form. Sometimes, however, a film might work better with a non-linear plot which presents some or all of the events in a non-chronological order. Sometimes ...

Nonlinear phenomena are phenomena, which, in contrast to a linear system, cannot be explained by a mathematical relationship of proportionality (that is, a linear relationship between two variables).

However, there could be a non-linear relationship between density and transportation emissions because of a possible non-linear association between density and vehicle miles travelled (VMT); low ...