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<head><title>source -- source of a map</title>
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<div><h1>source -- source of a map</h1>
<div class="single"><h2>Description</h2>
<div>Gives the source of a map of rings, chain complexes or modules</div>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_target.html" title="target of a map">target</a> -- target of a map</span></li>
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<div class="waystouse"><h2>Ways to use <tt>source</tt> :</h2>
<ul><li><span><a href="_source_lp__Chain__Complex__Map_rp.html" title=" find the source of a map of chain complexes">source(ChainComplexMap)</a> -- find the source of a map of chain complexes</span></li>
<li><span><a href="_source_lp__Graded__Module__Map_rp.html" title="find the source of a map of graded modules">source(GradedModuleMap)</a> -- find the source of a map of graded modules</span></li>
<li><span><a href="_source_lp__Matrix_rp.html" title="find the source module of matrix">source(Matrix)</a> -- find the source module of matrix</span></li>
<li><span><a href="_source_lp__Ring__Map_rp.html" title="find the source ring for a map of rings">source(RingMap)</a> -- find the source ring for a map of rings</span></li>
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