matplotlib example matplotlib 1 (snippet)

Python matplotlib example 'matplotlib 1'

Functions in program:

• def f(x, y):

Modules used in program:

• import numpy as np
• import matplotlib.pyplot as plt

python matplotlib 1

Python matplotlib example: matplotlib 1

%matplotlib inline
import matplotlib.pyplot as plt
import numpy as np
plt.style.use('Solarize_Light2')
plt.style.use('fivethirtyeight')
plt.style.use('classic')
plt.style.use('tableau-colorblind10')
plt.style.use('ggplot')

fig, axes = plt.subplots(ncols=3, nrows=1,figsize=(12,4))
ax = axes.ravel()

# scatter plot (Note: `plt.scatter` doesn't use default colors)
x, y = np.random.normal(size=(2, 100))
ax[0].plot(x, y, 'o')
# histogram
data_1 = np.random.randn(1000)
data_2 = np.random.randn(1000)
ax[1].hist(data_1,alpha=0.5)
ax[1].hist(data_2,alpha=0.5)

# contour
def f(x, y):
    return np.cos(x+y) ** 5 + np.cos(4 + y * x) * np.cos(-x)
x = np.linspace(0, 5, 100)
y = np.linspace(0, 5, 100)
X, Y = np.meshgrid(x, y)
Z = f(X, Y)
ax[2].contour(X, Y, Z)
ax[2].axis('scaled')

plt.show()

Python links

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