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<head><title>ZZ _ Module -- integers or zero element</title>
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<div><h1>ZZ _ Module -- integers or zero element</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>0_M</tt></div>
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<li><span>Operator: <a href="__us.html" title="a binary operator, used for subscripting and access to elements">_</a></span></li>
<li><div class="single">Inputs:<ul><li><span><span>an <a href="___Z__Z.html">integer</a></span></span></li>
<li><span><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="___Vector.html">vector</a></span></span></li>
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<div class="single"><h2>Description</h2>
<div><tt>0_M</tt> provides the zero element of the module <tt>M</tt>.<p>The return value is either <span>a <a href="___Ring__Element.html">ring element</a></span>, or <span>a <a href="___Vector.html">vector</a></span>.</p>
<table class="examples"><tr><td><pre>i1 : 0_(ZZ^3)
o1 = 0
3
o1 : ZZ</pre>
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