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<head><title>Module ^ List -- projection onto summand</title>
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<div><h1>Module ^ List -- projection onto summand</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><span>Operator: <a href="_^.html" title="a binary operator, usually used for powers">^</a></span></li>
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<div class="single"><h2>Description</h2>
<div><tt>M^{i,j,k,...}</tt> -- provides the projection map from a free module <tt>M</tt> to the free module corresponding to the basis vectors whose index numbers are listed.<p/>
<table class="examples"><tr><td><pre>i1 : (ZZ^5)^{2,3}
o1 = | 0 0 1 0 0 |
| 0 0 0 1 0 |
2 5
o1 : Matrix ZZ <--- ZZ</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="__us.html" title="a binary operator, used for subscripting and access to elements">_</a> -- a binary operator, used for subscripting and access to elements</span></li>
<li><span><a href="___Module.html" title="the class of all modules">Module</a> -- the class of all modules</span></li>
<li><span><a href="___List.html" title="the class of all lists -- {...}">List</a> -- the class of all lists -- {...}</span></li>
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