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Is it possible to plot implicit equations using Matplotlib?
Matplotlib does not support the functionality to plot implicit equations, however, you can try a code like the one we have shown here.
Steps
- Create xrange and yrange data points using numpy.
- Return coordinate matrices from coordinate vectors using meshgrid() method.
- Create an equation from x and y.
- Create a 3D contour using contour() method with x, y and the equation.
- To display the figure, use show() method.
Example
from matplotlib import pyplot as plt import numpy as np plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True delta = 0.025 xrange = np.arange(-5.0, 20.0, delta) yrange = np.arange(-5.0, 20.0, delta) x, y = np.meshgrid(xrange, yrange) equation = np.sin(x) - np.cos(y)**2 plt.contour(x, y, equation, [0]) plt.show()
Output
You can use a tool like scipy.optimize to plot implicit equations in Matplotlib.
Updated on: 15-May-2021
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