matplotlib.pyplot.minorticks_on()
[source]
Display minor ticks on the axes.
Displaying minor ticks may reduce performance; you may turn them off using minorticks_off()
if drawing speed is a problem.
© 2012–2018 Matplotlib Development Team. All rights reserved.
Licensed under the Matplotlib License Agreement.
https://matplotlib.org/3.1.1/api/_as_gen/matplotlib.pyplot.minorticks_on.html