/[escript]/trunk/doc/examples/cookbook/cerjen.py
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Contents of /trunk/doc/examples/cookbook/cerjen.py

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Revision 5707 - (show annotations)
Mon Jun 29 03:59:06 2015 UTC (3 years, 7 months ago) by sshaw
File MIME type: text/x-python
File size: 943 byte(s)
adding copyright headers to files without copyright info, moved header to top of file in some cases where it wasn't
1
2 ##############################################################################
3 #
4 # Copyright (c) 2003-2015 by The University of Queensland
5 # http://www.uq.edu.au
6 #
7 # Primary Business: Queensland, Australia
8 # Licensed under the Open Software License version 3.0
9 # http://www.opensource.org/licenses/osl-3.0.php
10 #
11 # Development until 2012 by Earth Systems Science Computational Center (ESSCC)
12 # Development 2012-2013 by School of Earth Sciences
13 # Development from 2014 by Centre for Geoscience Computing (GeoComp)
14 #
15 ##############################################################################
16
17 from __future__ import division, print_function
18
19 import pylab as pl
20 import numpy as np
21
22 s=0
23 e=20
24 x = np.linspace(s,e,1000)
25
26 y = np.exp(-1.0*(0.005*(s-x))**2)
27
28 pl.plot(x,y)
29 pl.title("cerjen damping")
30
31
32
33 pl.savefig("cerjen.png")
34
35
36 x2= np.linspace(0,0.1,333)
37
38 y2=np.exp(-50.*x2)*np.sin(40*3.14157*x2)
39
40 pl.clf()
41 pl.plot(x2,y2)
42 pl.savefig("source.png")

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