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<head><title>fvector -- The F-vector of a complex.</title>
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<div><h1>fvector -- The F-vector of a complex.</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>fvector(C)</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>C</tt>, <span>an <a href="___Complex.html">embedded complex</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="../../Macaulay2Doc/html/___List.html">list</a></span></span></li>
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<div class="single"><h2>Description</h2>
<div><p>The fvector of C. This is printed always when printing a complex and the faces are known.</p>
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<table class="examples"><tr><td><pre>i1 : R=QQ[x_0..x_5];</pre>
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<tr><td><pre>i2 : C=fullCyclicPolytope(3,R);</pre>
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<tr><td><pre>i3 : fvector C
o3 = {1, 6, 12, 8, 1}
o3 : List</pre>
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<tr><td><pre>i4 : eulerCharacteristic C
o4 = 0</pre>
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<tr><td><pre>i5 : dC=boundaryOfPolytope(C);</pre>
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<tr><td><pre>i6 : fvector dC
o6 = {1, 6, 12, 8, 0}
o6 : List</pre>
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<tr><td><pre>i7 : eulerCharacteristic dC
o7 = 1</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_euler__Characteristic.html" title="The Euler characteristic of a complex.">eulerCharacteristic</a> -- The Euler characteristic of a complex.</span></li>
<li><span><a href="_fc.html" title="The faces of a complex.">fc</a> -- The faces of a complex.</span></li>
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<div class="waystouse"><h2>Ways to use <tt>fvector</tt> :</h2>
<ul><li>fvector(Complex)</li>
<li>fvector(List)</li>
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