File: errorbar.py

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wxmplot 0.9.58-1
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#!/usr/bin/python
import numpy as np
import wxmplot.interactive as wi

npts = 41
x  = np.linspace(0, 10.0, npts)
y  = 0.4 * np.cos(x/2.0) + np.random.normal(scale=0.03, size=npts)
dy = 0.03 * np.ones(npts) + 0.01 * np.sqrt(x)

wi.plot(x, y, dy=dy, linewidth=0, marker='o',
        xlabel='x (mm)', ylabel='y', viewpad=10,
        title='Plot with error bars')