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Macaulay2-1.3.1-8.fc15.i686.rpm

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<head><title>RingElement ^ ZZ -- power</title>
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<div><h1>RingElement ^ ZZ -- power</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>f^n</tt></div>
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<li><span>Operator: <a href="_^.html" title="a binary operator, usually used for powers">^</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>f</tt>, <span>a <a href="___Ring__Element.html">ring element</a></span></span></li>
<li><span><tt>n</tt>, <span>an <a href="___Z__Z.html">integer</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="___Ring__Element.html">ring element</a></span>, <tt>f^n</tt></span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : R = ZZ/7[x]/(x^46-x-1);</pre>
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<tr><td><pre>i2 : (x+4)^(7^100)

        45    43    42     41     38     37     36     35    34     33     32
o2 = - x   - x   - x   + 3x   + 3x   - 2x   + 2x   + 3x   + x   - 3x   + 3x  
     ------------------------------------------------------------------------
         31     30    29    28    27     26     25    23     22    21     20
     - 2x   + 2x   + x   - x   + x   - 3x   + 2x   + x   + 3x   - x   - 2x  
     ------------------------------------------------------------------------
         19    18     17     16     15     14    13     12     11    10     9
     - 2x   - x   + 3x   - 3x   - 3x   + 2x   + x   + 2x   - 3x   - x   - 3x 
     ------------------------------------------------------------------------
         8     7     6     5    4     2
     - 2x  + 3x  - 2x  + 3x  - x  + 2x  - 3x + 3

o2 : R</pre>
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If the ring allows inverses, negative values may be used.<table class="examples"><tr><td><pre>i3 : S = ZZ[t,Inverses=>true,MonomialOrder=>RevLex];</pre>
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<tr><td><pre>i4 : t^-1

      -1
o4 = t

o4 : S</pre>
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<tr><td><pre>i5 : T = frac(ZZ[a,b,c]);</pre>
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<tr><td><pre>i6 : (a+b+c)^-1

         1
o6 = ---------
     a + b + c

o6 : T</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_frac.html" title="construct a fraction field">frac</a> -- construct a fraction field</span></li>
<li><span><a href="_polynomial_springs.html" title="">polynomial rings</a></span></li>
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