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<head><title>poly(String) -- make a polynomial using classic Macaulay syntax</title>
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<div><a href="index.html" title="a parser for classic Macaulay syntax">Classic</a> > <a href="_poly_lp__String_rp.html" title="make a polynomial using classic Macaulay syntax">poly(String)</a></div>
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<div><h1>poly(String) -- make a polynomial using classic Macaulay syntax</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>poly s</tt></div>
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<li><span>Function: <a href="_poly_lp__String_rp.html" title="make a polynomial using classic Macaulay syntax">poly</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>s</tt>, <span>a <a href="../../Macaulay2Doc/html/___String.html">string</a></span></span></li>
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</li>
<li><div class="single">Outputs:<ul><li><span><span>a <a href="../../Macaulay2Doc/html/___Ring__Element.html">ring element</a></span>, created from <tt>s</tt> using classic Macaulay syntax, as described in <a href="index.html" title="a parser for classic Macaulay syntax">Classic</a></span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : R = ZZ/32003[a..d,x_1..x_4,y_(1,1)..y_(2,2)];</pre>
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<tr><td><pre>i2 : poly "a2b-3ab-1"
2
o2 = a b - 3a*b - 1
o2 : R</pre>
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<tr><td><pre>i3 : poly "a2y[1,1]3-3ab-1"
2 3
o3 = a y - 3a*b - 1
1,1
o3 : R</pre>
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<tr><td><pre>i4 : poly "(a+b)(a+2c)"
2
o4 = a + a*b + 2a*c + 2b*c
o4 : R</pre>
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<tr><td><pre>i5 : poly "(a+b+c)3-1"
3 2 2 3 2 2 2 2 3
o5 = a + 3a b + 3a*b + b + 3a c + 6a*b*c + 3b c + 3a*c + 3b*c + c - 1
o5 : R</pre>
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<tr><td><pre>i6 : poly "3/4a2b-3ab-1"
2
o6 = - 8000a b - 3a*b - 1
o6 : R</pre>
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<tr><td><pre>i7 : poly "a5+5a4b+10a3b2+10a2b3+5ab4+b5-10a4c-40a3bc-60a2b2c-40ab3c-10b4c"
5 4 3 2 2 3 4 5 4 3 2 2
o7 = a + 5a b + 10a b + 10a b + 5a*b + b - 10a c - 40a b*c - 60a b c -
------------------------------------------------------------------------
3 4
40a*b c - 10b c
o7 : R</pre>
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<tr><td><pre>i8 : poly "(a+(c+y[1,1])2)2-1"
4 3 2 2 3 4 2 2
o8 = c + 4c y + 6c y + 4c*y + y + 2a*c + 4a*c*y + 2a*y +
1,1 1,1 1,1 1,1 1,1 1,1
------------------------------------------------------------------------
2
a - 1
o8 : R</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_ideal_lp__String_rp.html" title="make an ideal using classic Macaulay syntax">ideal(String)</a> -- make an ideal using classic Macaulay syntax</span></li>
<li><span><a href="_matrix_lp__String_rp.html" title="make a matrix using classic Macaulay syntax">matrix(String)</a> -- make a matrix using classic Macaulay syntax</span></li>
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