I suspect the problem is that matplotlib needs constant-length arrays to plot two on the same plot. For each 'tick' of the animate function it will need to know what value to write for that instant.

In addition to the regular plot method, there are a number of other functions for generating different kind of plots. ... Figures with Multiple Subplots. Axes can be added to a matplotlib Figure ...

Let’s say that you, for example, want to plot multiple graphs simultaneously using seaborn; then you could use the subplot function from matplotlib. diamonds_data = sns.load _dataset ...

Functions of 2 Variables Parametric Curves and Surfaces xkcd Plot Styles ... Add Subplot Getting Started. Import the matplotlib.pyplot module under the name plt (the tidy way) import matplotlib.pyplot ...