plt.subplots
histtype
HBoxDivider
AxesDivider
mpl_toolkits.axisartist.floating_axes
These examples cover the many representations of units in Matplotlib.
Annotation with units
Artist tests
Bar demo with units
Group barchart with units
Basic Units
Ellipse With Units
Evans test
Radian ticks
Inches and Centimeters
Unit handling