You are reading documentation for the unreleased version of Matplotlib. Try searching for the released version of this page instead?
Version 3.0.0rc1.post687+ga43fd8592
matplotlib
Fork me on GitHub

matplotlib.axes.Axes.set_xbound

Axes.set_xbound(lower=None, upper=None)

Set the lower and upper numerical bounds of the x-axis.

This method will honor axes inversion regardless of parameter order. It will not change the _autoscaleXon attribute.