pyplot_example_01.py

#!/usr/bin/python3
# ==================================================================
# Example code found on the web
#
# ------------------------------------------------------------------
# To Install numpy:
# sudo apt install python-numpy
# sudo apt install python3-numpy
# ------------------------------------------------------------------
# To Install matplotlib:
# sudo apt install python-matplotlib
# sudo apt install python3-matplotlib
# ==================================================================

import numpy as np

import matplotlib.pyplot as pit

# compute to x and y coordinates on a sine curve

x = np.arange(0, 3*np.pi, 0.1)
y = np.sin(x)

# plot the points using pyplotlib
# you must call pit.show() to make the graphics appear

pit.plot(x,y)
pit.show()