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

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Revision 5706 - (hide annotations)
Mon Jun 29 03:41:36 2015 UTC (3 years, 7 months ago) by sshaw
File MIME type: text/x-python
File size: 348 byte(s)
all python files now force use of python3 prints and division syntax to stop sneaky errors appearing in py3 environs
1 sshaw 5706 from __future__ import division, print_function
2    
3 ahallam 2829 import pylab as pl
4     import numpy as np
5    
6     s=0
7     e=20
8     x = np.linspace(s,e,1000)
9    
10     y = np.exp(-1.0*(0.005*(s-x))**2)
11    
12     pl.plot(x,y)
13     pl.title("cerjen damping")
14    
15    
16    
17     pl.savefig("cerjen.png")
18    
19    
20     x2= np.linspace(0,0.1,333)
21    
22     y2=np.exp(-50.*x2)*np.sin(40*3.14157*x2)
23    
24     pl.clf()
25     pl.plot(x2,y2)
26     pl.savefig("source.png")

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