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How to turn on minor ticks only on the y-axis Matplotlib?
First, we can create fig, ax using subplots() and then, we can plot the lines. After that, using ax.yaxis.set_minor_locator(tck.AutoMinorLocator()), we can turn on the minor ticks.
Steps
Create fig and ax variables using subplots method, where default nrows and ncols are 1.
Plot the line using two lists.
Set the locator of the minor ticker.
Dynamically find minor tick positions based on the positions of major ticks. The scale must be linear with major ticks evenly spaced.
Using plt.show() method, we can show the figure.
Example
import matplotlib.pyplot as plt import matplotlib.ticker as tck fig, ax = plt.subplots() plt.plot([0, 2, 4], [3, 6, 1]) ax.yaxis.set_minor_locator(tck.AutoMinorLocator()) plt.show()
Output
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