reduce-historical: r37

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<A NAME=ROOT_VAL>

<TITLE>ROOT_VAL</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>



<B>ROOT\_VAL</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The operator <em>root_val</em> computes the roots of a 
univariate polynomial at system precision 
(or greater if required for root separation) and presents 
its result as a list of numbers. 
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syntax: </H3>
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<em>roots</em>(&lt;p&gt;) 
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where &lt;p&gt; is a univariate polynomial. 
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examples: </H3>
<P><PRE><TT>
root_val(x^5-2);

  {-0.929316490603 + 0.6751879524*i,
   -0.929316490603 - 0.6751879524*i,
   0.354967313105 + 1.09247705578*i,
   0.354967313105 - 1.09247705578*i,
   1.148698355}

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