/usr/share/doc/python-scitools/examples/plot4.py is in python-scitools 0.9.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | from scitools.std import *
import time
def f(x, m, s):
return (1.0/(sqrt(2*pi)*s))*exp(-0.5*((x-m)/s)**2)
m = 0
s_start = 2
s_stop = 0.2
s_values = linspace(s_start, s_stop, 30)
x = linspace(m -3*s_start, m + 3*s_start, 1000)
# Make a plot of three s values
for s in s_start, 1, s_stop:
plot(x, f(x,m,s))
hold('on')
legend('s=%s' %s)
title('A Gaussian Bell Function')
savefig('tmp4.eps')
raw_input('Press Return key to quit: ')
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