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<head><title>substitute(ChainComplex,Ring) -- Change the ring over which the ChainComplex is defined.</title>
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<div><h1>substitute(ChainComplex,Ring) -- Change the ring over which the ChainComplex is defined.</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>substitute(chCx, S)</tt></div>
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<li><span>Function: <a href="../../Macaulay2Doc/html/_substitute.html" title="substituting values for variables">substitute</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>chCx</tt>, <span>a <a href="../../Macaulay2Doc/html/___Chain__Complex.html">chain complex</a></span>, </span></li>
<li><span><tt>S</tt>, <span>a <a href="../../Macaulay2Doc/html/___Ring.html">ring</a></span>, </span></li>
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<li><div class="single">Outputs:<ul><li><span>The ChainComplex chCx over the ring R</span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : R = ZZ/101[a,b,c]
o1 = R
o1 : PolynomialRing</pre>
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<tr><td><pre>i2 : S = R/ideal{a^2,b^2,c^2}
o2 = S
o2 : QuotientRing</pre>
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<tr><td><pre>i3 : kRes = res coker vars R
1 3 3 1
o3 = R <-- R <-- R <-- R <-- 0
0 1 2 3 4
o3 : ChainComplex</pre>
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<tr><td><pre>i4 : kResS = substitute(kRes, S)
1 3 3 1
o4 = S <-- S <-- S <-- S <-- 0
0 1 2 3 4
o4 : ChainComplex</pre>
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