matplotlib example contour (snippet)

Python matplotlib example 'contour'

Modules used in program:

import numpy as np
import matplotlib.pyplot as plt

python contour

Python matplotlib example: contour

import matplotlib.pyplot as plt
from matplotlib.ticker import MaxNLocator
import numpy as np

X = np.arange(0, 1, .1)
Y = np.arange(0, 1, .1)
X, Y = np.meshgrid(X, Y)
Z = X**2 + Y**2

levels = MaxNLocator(nbins=15).tick_values(Z.min(), Z.max())
cmap = plt.get_cmap('PiYG')

plt.contourf(X, Y, Z, levels=levels, cmap=cmap)
plt.colorbar()
plt.title('U(X, Y)')
plt.xlabel('X')
plt.ylabel('Y')
plt.show()

Python links

Learn Python: https://pythonbasics.org/
Python Tutorial: https://pythonprogramminglanguage.com