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Macaulay2-1.3.1-8.fc15.i686.rpm

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<head><title>net(FirstOrderDeformation) -- Pretty print for deformations.</title>
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<div><h1>net(FirstOrderDeformation) -- Pretty print for deformations.</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>net(f)</tt></div>
</dd></dl>
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</li>
<li><span>Function: <a href="../../Macaulay2Doc/html/_net.html" title="format for printing, as a net">net</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>f</tt>, <span>a <a href="___First__Order__Deformation.html">first order deformation</a></span></span></li>
</ul>
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</li>
<li><div class="single">Outputs:<ul><li><span><span>a <a href="../../Macaulay2Doc/html/___Net.html">net</a></span></span></li>
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<div class="single"><h2>Description</h2>
<div><p>Pretty print for deformations. Prints <a href="_laurent.html" title="Converts an exponent vector or a deformation into a Laurent monomial.">laurent</a> f and <a href="_dim_lp__First__Order__Deformation_rp.html" title="Compute the dimension of a deformation.">dim(FirstOrderDeformation)</a> f.</p>
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<table class="examples"><tr><td><pre>i1 : R=QQ[x_0..x_4]

o1 = R

o1 : PolynomialRing</pre>
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<tr><td><pre>i2 : addCokerGrading(R)

o2 = | -1 -1 -1 -1 |
     | 1  0  0  0  |
     | 0  1  0  0  |
     | 0  0  1  0  |
     | 0  0  0  1  |

              5        4
o2 : Matrix ZZ  &lt;--- ZZ</pre>
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<tr><td><pre>i3 : I=ideal(x_0*x_1,x_1*x_2,x_2*x_3,x_3*x_4,x_4*x_0)

o3 = ideal (x x , x x , x x , x x , x x )
             0 1   1 2   2 3   3 4   0 4

o3 : Ideal of R</pre>
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<tr><td><pre>i4 : mg=mingens I;

             1       5
o4 : Matrix R  &lt;--- R</pre>
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<tr><td><pre>i5 : f=firstOrderDeformation(mg, vector {-1,-1,0,2,0})

       2
      x
       3
o5 = ----
     x x
      0 1

o5 : first order deformation space of dimension 1</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="../../Macaulay2Doc/html/___Net.html" title="the class of all nets and strings">Net</a> -- the class of all nets and strings</span></li>
<li><span><a href="../../Macaulay2Doc/html/_net.html" title="format for printing, as a net">net</a> -- format for printing, as a net</span></li>
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