(Source code, png)
"""
Demo of the errorbar function.
"""
import numpy as np
import matplotlib.pyplot as plt
# example data
x = np.arange(0.1, 4, 0.5)
y = np.exp(-x)
plt.errorbar(x, y, xerr=0.2, yerr=0.4)
plt.show()
Keywords: python, matplotlib, pylab, example, codex (see Search examples)