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How to make two plots side-by-side using Python?
Using subplot(row, col, index) method, we can split a figure in row*col parts, and can plot the figure at the index position. In the following program, we will create two diagrams in a single figure.
Steps
Creating x, y1, y2 points using numpy.
With nrows = 1, ncols = 2, index = 1, add subplot to the current figure, using the subplot() method.
Plot the line using x and y1 points, using the plot() method.
Set up the title, label for X and Y axes for Figure 1, using plt.title(), plt.xlabel(), and plt.ylabel() methods.
With nrows = 1, ncols = 2, index = 2, add subplot to the current figure, using the subplot() method.
Plot the line using x and y2 points, using the plot() method.
Set up the title, label for X and Y axes for Figure 2, using plt.title(), plt.xlabel(), and plt.ylabel() methods.
To show the figure, use the plt.show() method.
Example
from matplotlib import pyplot as plt import numpy as np xPoints = np.array([2, 4, 6, 8, 10, 12, 14, 16, 18, 20]) y1Points = np.array([12, 14, 16, 18, 10, 12, 14, 16, 18, 120]) y2Points = np.array([12, 7, 6, 5, 4, 3, 2, 2, 1, 12]) plt.subplot(1, 2, 1) # row 1, col 2 index 1 plt.plot(xPoints, y1Points) plt.title("My first plot!") plt.xlabel('X-axis ') plt.ylabel('Y-axis ') plt.subplot(1, 2, 2) # index 2 plt.plot(xPoints, y2Points) plt.title("My second plot!") plt.xlabel('X-axis ') plt.ylabel('Y-axis ') plt.show()
Output
Learn More: Matplotlib Tutorial, Python Tutorial
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