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<head><title>intersectFaces -- The intersection of two faces.</title>
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<div><h1>intersectFaces -- The intersection of two faces.</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>intersectFaces(F,G)</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>F</tt>, <span>a <a href="___Face.html">face</a></span></span></li>
<li><span><tt>G</tt>, <span>a <a href="___Face.html">face</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="___Face.html">face</a></span></span></li>
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<div class="single"><h2>Description</h2>
<div><p>Returns the intersection of two faces or a list of faces.</p>
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<table class="examples"><tr><td><pre>i1 : R=QQ[x_0..x_4];</pre>
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<tr><td><pre>i2 : C=simplex R
o2 = 4: x x x x x
0 1 2 3 4
o2 : complex of dim 4 embedded in dim 4 (printing facets)
equidimensional, simplicial, F-vector {1, 5, 10, 10, 5, 1}, Euler = 0</pre>
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<tr><td><pre>i3 : F=C.fc_2_0
o3 = x x x
0 1 2
o3 : face with 3 vertices</pre>
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<tr><td><pre>i4 : G=C.fc_2_1
o4 = x x x
0 1 3
o4 : face with 3 vertices</pre>
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<tr><td><pre>i5 : intersectFaces(F,G)
o5 = x x
0 1
o5 : face with 2 vertices</pre>
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<tr><td><pre>i6 : H=C.fc_2_2
o6 = x x x
0 2 3
o6 : face with 3 vertices</pre>
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<tr><td><pre>i7 : intersectFaces({F,G,H})
o7 = x
0
o7 : face with 1 vertex</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_vert.html" title="The vertices of a face or complex.">vert</a> -- The vertices of a face or complex.</span></li>
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<div class="waystouse"><h2>Ways to use <tt>intersectFaces</tt> :</h2>
<ul><li>intersectFaces(Face,Face)</li>
<li>intersectFaces(List)</li>
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