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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
2 "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
3
4 <html lang="en">
5 <head>
6 <meta name="generator" content=
7 "HTML Tidy for Mac OS X (vers 1st December 2004), see www.w3.org">
8 <meta http-equiv="Content-Type" content=
9 "text/html; charset=us-ascii">
10
11 <title>Writing LTPDA scripts (LTPDA Toolbox)</title>
12 <link rel="stylesheet" href="docstyle.css" type="text/css">
13 <meta name="generator" content="DocBook XSL Stylesheets V1.52.2">
14 <meta name="description" content=
15 "Presents an overview of the features, system requirements, and starting the toolbox.">
16 </head>
17
18 <body>
19 <a name="top_of_page" id="top_of_page"></a>
20
21 <p style="font-size:1px;">&nbsp;</p>
22
23 <table class="nav" summary="Navigation aid" border="0" width=
24 "100%" cellpadding="0" cellspacing="0">
25 <tr>
26 <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td>
27
28 <td valign="baseline" align="right"><a href=
29 "ltpda_training_topic_1_6.html"><img src="b_prev.gif" border="0" align=
30 "bottom" alt="Constructing AOs from data files"></a>&nbsp;&nbsp;&nbsp;<a href=
31 "ltpda_training_topic_1_9.html"><img src="b_next.gif" border="0" align=
32 "bottom" alt="IFO/Temperature Example - Introduction"></a></td>
33 </tr>
34 </table>
35
36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Writing LTPDA scripts</h1>
37 <hr>
38
39 <p>
40 <p>
41 Up to now, all the activity of the tutorial has been carried out on the MATLAB
42 command terminal. It is, of course, much more convenient to collect the commands
43 together in to a MATLAB script. In this sense, LTPDA scripting is just the same
44 as normal MATLAB scripting; just using LTPDA commands.
45 </p>
46 Here's an example script which makes two white-noise time-series and estimated the
47 power-spectral-density of each.
48 </p>
49 <div class="fragment"><pre>
50 <span class="comment">%% Make two test AOs</span>
51
52 a1 = ao(plist(<span class="string">'tsfcn'</span>, <span class="string">'randn(size(t))'</span>, <span class="string">'fs'</span>, 10, <span class="string">'nsecs'</span>, 100));
53 a2 = ao(plist(<span class="string">'tsfcn'</span>, <span class="string">'randn(size(t))'</span>, <span class="string">'fs'</span>, 10, <span class="string">'nsecs'</span>, 100));
54
55 <span class="comment">%% Make TFE</span>
56
57 psds = psd(a1, a1);
58 a1xx = psds(1);
59 a2xx = psds(2);
60
61 <span class="comment">% The following works!.</span>
62 b1xx = psd(a1);
63 b2xx = psd(a2);
64
65 </pre></div>
66 <p>
67 You can explore the commands used to rebuild the object by using the <tt>type</tt>
68 method. Or you can plot the history as we did earlier. For example, try this command
69 for each of the cases above:
70 </p>
71 <div class="fragment"><pre>
72 type(a1xx)
73 type(b1xx)
74 </pre></div>
75
76
77 </p>
78
79 <br>
80 <br>
81 <table class="nav" summary="Navigation aid" border="0" width=
82 "100%" cellpadding="0" cellspacing="0">
83 <tr valign="top">
84 <td align="left" width="20"><a href="ltpda_training_topic_1_6.html"><img src=
85 "b_prev.gif" border="0" align="bottom" alt=
86 "Constructing AOs from data files"></a>&nbsp;</td>
87
88 <td align="left">Constructing AOs from data files</td>
89
90 <td>&nbsp;</td>
91
92 <td align="right">IFO/Temperature Example - Introduction</td>
93
94 <td align="right" width="20"><a href=
95 "ltpda_training_topic_1_9.html"><img src="b_next.gif" border="0" align=
96 "bottom" alt="IFO/Temperature Example - Introduction"></a></td>
97 </tr>
98 </table><br>
99
100 <p class="copy">&copy;LTP Team</p>
101 </body>
102 </html>