source: trunk/SRC/Documentation/idldoc_html_output/ToBeReviewed/MATRICE/inter.html @ 107

Last change on this file since 107 was 107, checked in by smasson, 18 years ago

bugfix in ead/write_oasis
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74<a href="extrait.html">&lt;&lt;prev file</a> | <a href="make_selection.html">next file &gt;&gt;</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="inter.html?format=raw" target="_TOP">view single page</a> | <a href="./../../index.html?format=raw" target="_TOP">view frames</a>&nbsp;&nbsp;&nbsp;&nbsp;summary: fields | routine&nbsp;&nbsp;&nbsp;&nbsp;details: <a href="#routine_details">routine</a>
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82      <h2 class="pro_file">inter.pro</h2>
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102        <div class="routine_details" id="_inter">
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104          <h2><a class="top" href="#container">top</a>inter </h2>
105       
106          <p class="header">
107            <span class="result">result = </span>inter(<span class="result"><a href="#_inter_param_a">a</a>, <a href="#_inter_param_b">b</a></span>)</p>
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110 NAME:inter
111
112 PURPOSE:calcule l''intersection de 2 matrices D'ENTIERS POSITIFS
113
114 CATEGORY:calcule sur les matrices
115
116 CALLING SEQUENCE:res=inter(a,b)
117
118 INPUTS:a et b:arrays of positive integers, which need not to be
119 sorted. Duplicate elements are ignored, as they have noeffect on the
120 result
121
122 KEYWORD PARAMETERS:
123
124 OUTPUTS:tableau
125
126 COMMON BLOCKS:
127
128 SIDE EFFECTS:
129
130 The empty set is denoted by an array with the first element equal to
131 -1.
132
133 RESTRICTIONS:
134
135 These functions will not be efficient on sparse sets with wide
136 ranges, as they trade memory for efficiency. The HISTOGRAM function
137 is used, which creates arrays of size equal to the range of the
138 resulting set.
139
140 EXAMPLE:
141
142   a = [2,4,6,8]
143   b = [6,1,3,2]
144   inter(a,b) = [ 2, 6]       ; Common elements
145
146 MODIFICATION HISTORY:
147
148 http://www.dfanning.com/tips/set_operations.html</div>
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153            <h3>Parameters</h3>
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156            <h4 id="_inter_param_a">a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
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169            <h4 id="_inter_param_b">b&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
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