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How to set axis ticks in multiples of pi in Python Matplotlib?
To set axis ticks in multiples of pi in Python, we take following steps −
Initialize a pi variable, create theta and y data points using numpy.
Plot theta and y using plot() method.
Get or set the current tick locations and labels of the X-axis using xticks() method.
Convenience method to set or retrieve autoscaling margins using margins() method.
To display the figure, use show() method.
Example
import numpy as np from matplotlib import pyplot as plt plt.rcParams["figure.figsize"] = [7.00, 3.50] plt.rcParams["figure.autolayout"] = True pi = np.pi theta = np.arange(-2 * pi, 2 * pi+pi/2, step=(pi / 2)) y = np.sin(theta) plt.plot(theta, y) plt.xticks(theta, ['-2π', '-3π/2', 'π', '-π/2', '0', 'π/2', 'π', '3π/2', '2π']) plt.margins(x=0) plt.show()
Output
Updated on: 11-May-2021
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