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<head><title>InexactField -- the class of inexact fields</title>
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<div><h1>InexactField -- the class of inexact fields</h1>
<div class="single"><h2>Description</h2>
<div><p>An inexact field is one whose elements are real or complex numbers, represented floating point approximations of varying accuracy or precision.</p>
<table class="examples"><tr><td><pre>i1 : numeric_100 pi
o1 = 3.14159265358979323846264338328
o1 : RR (of precision 100)</pre>
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<tr><td><pre>i2 : ring oo
o2 = RR
100
o2 : RealField</pre>
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<tr><td><pre>i3 : class oo
o3 = RealField
o3 : Type</pre>
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<tr><td><pre>i4 : parent oo
o4 = InexactField
o4 : Type</pre>
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<div class="waystouse"><h2>Types of inexact field :</h2>
<ul><li><span><a href="___Complex__Field.html" title="the class of all complex fields">ComplexField</a> -- the class of all complex fields</span></li>
<li><span><a href="___Real__Field.html" title="the class of all real fields">RealField</a> -- the class of all real fields</span></li>
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<h2>Methods that use an inexact field :</h2>
<ul><li><span>char(InexactField), see <span><a href="_char.html" title="computes the characteristic of the ring or field">char</a> -- computes the characteristic of the ring or field</span></span></li>
<li><span>dim(InexactField), see <span><a href="_dim_lp__Ring_rp.html" title="compute the Krull dimension">dim(Ring)</a> -- compute the Krull dimension</span></span></li>
<li><span>norm(InexactField,MutableMatrix), see <span><a href="_norm.html" title="">norm</a></span></span></li>
<li><span>precision(InexactField), see <span><a href="_precision.html" title="">precision</a></span></span></li>
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<div class="waystouse"><h2>For the programmer</h2>
<p>The object <a href="___Inexact__Field.html" title="the class of inexact fields">InexactField</a> is <span>a <a href="___Type.html">type</a></span>, with ancestor classes <a href="___Engine__Ring.html" title="the class of rings handled by the engine">EngineRing</a> < <a href="___Ring.html" title="the class of all rings">Ring</a> < <a href="___Type.html" title="the class of all types">Type</a> < <a href="___Mutable__Hash__Table.html" title="the class of all mutable hash tables">MutableHashTable</a> < <a href="___Hash__Table.html" title="the class of all hash tables">HashTable</a> < <a href="___Thing.html" title="the class of all things">Thing</a>.</p>
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