You are reading an old version of the documentation (v1.4.3). For the latest version see https://matplotlib.org/stable/

We're updating the default styles for Matplotlib 2.0

Learn what to expect in the new updates

matplotlib

Previous topic

pylab_examples example code: usetex_fonteffects.py

Next topic

pylab_examples example code: webapp_demo.py

This Page

pylab_examples example code: vline_hline_demo.pyΒΆ

(Source code, png, hires.png, pdf)

../../_images/vline_hline_demo1.png
#!/usr/bin/env python

"""
Small demonstration of the hlines and vlines plots.
"""

from matplotlib import pyplot as plt
from numpy import sin, exp,  absolute, pi, arange
from numpy.random import normal


def f(t):
    s1 = sin(2 * pi * t)
    e1 = exp(-t)
    return absolute((s1 * e1)) + .05


t = arange(0.0, 5.0, 0.1)
s = f(t)
nse = normal(0.0, 0.3, t.shape) * s

fig = plt.figure(figsize=(12, 6))
vax = fig.add_subplot(121)
hax = fig.add_subplot(122)

vax.plot(t, s + nse, 'b^')
vax.vlines(t, [0], s)
vax.set_xlabel('time (s)')
vax.set_title('Vertical lines demo')

hax.plot(s + nse, t, 'b^')
hax.hlines(t, [0], s, lw=2)
hax.set_xlabel('time (s)')
hax.set_title('Horizontal lines demo')

plt.show()

Keywords: python, matplotlib, pylab, example, codex (see Search examples)