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Macaulay2-1.3.1-8.fc15.i686.rpm

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<head><title>Tally ** Tally -- Cartesian product of tallies</title>
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<div><h1>Tally ** Tally -- Cartesian product of tallies</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><span>Operator: <a href="__st_st.html" title="a binary operator, usually used for tensor product or Cartesian product">**</a></span></li>
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<div class="single"><h2>Description</h2>
<div><tt>x ** y</tt> -- produces the Cartesian product of two tallies.<p/>
One of the arguments may be a <a href="___Set.html" title="the class of all sets">Set</a>.<p/>
<table class="examples"><tr><td><pre>i1 : x = tally {a,a,b}

o1 = Tally{a => 2}
           b => 1

o1 : Tally</pre>
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<tr><td><pre>i2 : y = tally {1,2,2,2}

o2 = Tally{1 => 1}
           2 => 3

o2 : Tally</pre>
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<tr><td><pre>i3 : x ** y

o3 = Tally{(a, 1) => 2}
           (a, 2) => 6
           (b, 1) => 1
           (b, 2) => 3

o3 : Tally</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="___Tally.html" title="the class of all tally results">Tally</a> -- the class of all tally results</span></li>
<li><span><a href="_tally.html" title="tally the elements of a list or sequence">tally</a> -- tally the elements of a list or sequence</span></li>
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