Menu ▾ ▴

[r4716]: / branches / transforms / examples / hline_demo.py  Maximize  Restore  History

Download this file

22 lines (16 with data), 397 Bytes 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
#!/usr/bin/env python

from matplotlib.pyplot import *

from numpy import sin, exp,  absolute, pi, arange

from numpy.random import normal



def f(t):

    s1 = sin(2*pi*t)

    e1 = exp(-t)

    return absolute((s1*e1))+.05





t = arange(0.0, 5.0, 0.1)

s = f(t)

nse = normal(0.0, 0.3, t.shape) * s



plot(s+nse, t, 'b^')

hlines(t, [0], s)

xlabel('time (s)')

title('Comparison of model with data')

show()