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<head><title>stellarSubdivision -- computes the stellar subdivision of the fan by a ray</title>
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<div><h1>stellarSubdivision -- computes the stellar subdivision of the fan by a ray</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>F1 = stellarSubdivision(F,r)</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>F</tt>, <span>an object of class <a href="___Fan.html" title="the class of all fans">Fan</a></span></span></li>
<li><span><tt>r</tt>, <span>a <a href="../../Macaulay2Doc/html/___Matrix.html">matrix</a></span>, with one column in the ambient space of the fan</span></li>
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<li><div class="single">Outputs:<ul><li><span><tt>F1</tt>, <span>an object of class <a href="___Fan.html" title="the class of all fans">Fan</a></span></span></li>
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<div class="single"><h2>Description</h2>
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This function computes the stellar subdivision of <tt>F</tt> by inserting the
ray given by <tt>r</tt>.<table class="examples"><tr><td><pre>i1 : F = normalFan hypercube 2
o1 = {ambient dimension => 2 }
number of generating cones => 4
number of rays => 4
top dimension of the cones => 2
o1 : Fan</pre>
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<tr><td><pre>i2 : r = matrix {{1},{1}}
o2 = | 1 |
| 1 |
2 1
o2 : Matrix ZZ <--- ZZ</pre>
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<tr><td><pre>i3 : F1 = stellarSubdivision(F,r)
o3 = {ambient dimension => 2 }
number of generating cones => 5
number of rays => 5
top dimension of the cones => 2
o3 : Fan</pre>
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<div class="waystouse"><h2>Ways to use <tt>stellarSubdivision</tt> :</h2>
<ul><li>stellarSubdivision(Fan,Matrix)</li>
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