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<head><title>map(Module) -- identity map</title>
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<div><h1>map(Module) -- identity map</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>map M</tt></div>
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<li><span>Function: <a href="_map.html" title="make a map">map</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>M</tt>, <span>a <a href="___Module.html">module</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="___Matrix.html">matrix</a></span>, the identity map on <tt>M</tt></span></li>
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<li><div class="single"><a href="_using_spfunctions_spwith_spoptional_spinputs.html">Optional inputs</a>:<ul><li><span><a href="_map_lp..._cm_sp__Degree_sp_eq_gt_sp..._rp.html">Degree => ...</a>, -- set the degree of a map</span></li>
<li><span><a href="_map_lp__Ring_cm__Ring_cm__Matrix_rp.html">DegreeLift => ...</a>, -- make a ring map</span></li>
<li><span><a href="_map_lp__Ring_cm__Ring_cm__Matrix_rp.html">DegreeMap => ...</a>, -- make a ring map</span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : f = map ZZ^3
o1 = | 1 0 0 |
| 0 1 0 |
| 0 0 1 |
3 3
o1 : Matrix ZZ <--- ZZ</pre>
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<tr><td><pre>i2 : g = id_(ZZ^3)
o2 = | 1 0 0 |
| 0 1 0 |
| 0 0 1 |
3 3
o2 : Matrix ZZ <--- ZZ</pre>
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<tr><td><pre>i3 : f === g
o3 = true</pre>
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<div class="single"><h2>Caveat</h2>
<div>may be removed</div>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_id.html" title="identity map">id _ Module</a> -- identity map</span></li>
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