23 Apr Matplotlib – Change the line width

To change the line width of a line graph in Matplotlib, use the linewidth parameter of the plot() function. Let us see an example:

# Set the line width

import matplotlib.pyplot as plt
import numpy as np

ypts = np.array([7, 3, 9, 1, 5])

plt.plot(ypts, linewidth='10')
plt.show()

Output

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