pylab_examples example code: errorbar_limits.py

(Source code)

(png)

(png)

'''
Illustration of upper and lower limit symbols on errorbars
'''

from math import pi
from numpy import array, arange, sin
import pylab as P

fig = P.figure()
x = arange(10.0)
y = sin(arange(10.0)/20.0*pi)

P.errorbar(x, y, yerr=0.1, capsize=3)

y = sin(arange(10.0)/20.0*pi) + 1
P.errorbar(x, y, yerr=0.1, uplims=True)

y = sin(arange(10.0)/20.0*pi) + 2
upperlimits = array([1, 0]*5)
lowerlimits = array([0, 1]*5)
P.errorbar(x, y, yerr=0.1, uplims=upperlimits, lolims=lowerlimits)

P.xlim(-1, 10)

fig = P.figure()
x = arange(10.0)/10.0
y = (x + 0.1)**2

P.errorbar(x, y, xerr=0.1, xlolims=True)
y = (x + 0.1)**3

P.errorbar(x + 0.6, y, xerr=0.1, xuplims=upperlimits, xlolims=lowerlimits)

y = (x + 0.1)**4
P.errorbar(x + 1.2, y, xerr=0.1, xuplims=True)

P.xlim(-0.2, 2.4)
P.ylim(-0.1, 1.3)

P.show()

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