/usr/share/doc/python-scitools/examples/plot0b.py is in python-scitools 0.9.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | """Plot three curves. Use compact Easyviz syntax."""
from scitools.std import *
# plot three curves in the same plot:
t = linspace(0, 3, 51) # 51 points between 0 and 3
y1 = t**2*exp(-t**2)
y2 = t**4*exp(-t**2)
# pick out each 4 points and add random noise:
t3 = t[::4]
random.seed(11)
y3 = y2[::4] + random.normal(loc=0, scale=0.02, size=len(t3))
plot(t, y1, 'r-', t, y2, 'b-', t3, y3, 'bo',
legend=('t^2*exp(-t^2)', 't^4*exp(-t^2)', 'data'),
title='Simple Plot Demo',
axis=(0, 3, -0.05, 0.6),
xlabel='t', ylabel='y',
savefig='tmp1.eps',
show=True)
savefig('tmp0.png') # this one can be included in HTML
raw_input('Press Return key to quit: ')
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