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Macaulay2-1.3.1-8.fc15.i686.rpm

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<head><title>rowPermute -- permute some rows</title>
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<div><h1>rowPermute -- permute some rows</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>rowPermute(m,i,{...})</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>m</tt>, <span>a <a href="___Mutable__Matrix.html">mutable matrix</a></span></span></li>
<li><span><tt>i</tt>, <span>an <a href="___Z__Z.html">integer</a></span>, starting row</span></li>
<li><span>a list of integers, denoting a permutation of <tt>0..d</tt>, for some number <tt>d</tt></span></li>
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<li><div class="single">Consequences:<ul><li>If the permutation is <tt>{p0,p1,...,pd}</tt>, then <tt>m</tt> is modified so that the <tt>i+j</tt> row becomes the <tt>i+pj</tt> row of the original matrix, for <tt>j=0..d</tt></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : m = mutableMatrix map(ZZ^5,ZZ^6, (i,j) -> 100*i+j)

o1 = | .   1   2   3   4   5   |
     | 100 101 102 103 104 105 |
     | 200 201 202 203 204 205 |
     | 300 301 302 303 304 305 |
     | 400 401 402 403 404 405 |

o1 : MutableMatrix</pre>
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<tr><td><pre>i2 : rowPermute(m,1,{2,0,1})

o2 = | .   1   2   3   4   5   |
     | 300 301 302 303 304 305 |
     | 100 101 102 103 104 105 |
     | 200 201 202 203 204 205 |
     | 400 401 402 403 404 405 |

o2 : MutableMatrix</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_mutable_spmatrices.html" title="">mutable matrices</a></span></li>
<li><span><a href="_row_spand_spcolumn_spoperations.html" title="">row and column operations</a></span></li>
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<div class="waystouse"><h2>Ways to use <tt>rowPermute</tt> :</h2>
<ul><li>rowPermute(MutableMatrix,ZZ,List)</li>
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