refer to: https://matplotlib.org/stable/gallery/scales/log_test.html#sphx-glr-gallery-scales-log-test-py

This is an example of assigning a log-scale for the x-axis usingsemilogx.

This is an example of assigning a log-scale for the x-axis usingsemilogx.

import matplotlib.pyplot as pltimport numpy as npfig, ax = plt.subplots()dt = 0.01t = np.arange(dt, 20.0, dt)ax.semilogx(t, np.exp(-t / 5.0))ax.grid()plt.show()