matplotlib.pyplot.minorticks_on  
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. 
 

    
{'path': 'public/docs/matplotlib~3.0/_as_gen/matplotlib.pyplot.minorticks_on.html', 'source': 'DevDocs.IO'}