# The Lorenz Model - Demo 3

## Time series

It is also useful to plot the "time series" i.e. the plot of single variables as a function of time.

Here is *X(t)*

And here is *Z(t)*

The variable *Z(t)* corresponds to the heat flow convected by the fluid, and is easily measured experimentally.

The "randomness" or aperiodic nature of the solution is evident.

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Last modified Thursday, November 18, 1999

Michael Cross