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<title>GNU Scientific Library &ndash; Reference Manual: Polynomials</title>

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<a name="Polynomials"></a>
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<p>
Next: <a href="Special-Functions.html#Special-Functions" accesskey="n" rel="next">Special Functions</a>, Previous: <a href="Complex-Numbers.html#Complex-Numbers" accesskey="p" rel="previous">Complex Numbers</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Polynomials-1"></a>
<h2 class="chapter">6 Polynomials</h2>
<a name="index-polynomials_002c-roots-of"></a>

<p>This chapter describes functions for evaluating and solving polynomials.
There are routines for finding real and complex roots of quadratic and
cubic equations using analytic methods.  An iterative polynomial solver
is also available for finding the roots of general polynomials with real
coefficients (of any order).  The functions are declared in the header
file <samp>gsl_poly.h</samp>.
</p>
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<tr><td align="left" valign="top">&bull; <a href="Polynomial-Evaluation.html#Polynomial-Evaluation" accesskey="1">Polynomial Evaluation</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
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<tr><td align="left" valign="top">&bull; <a href="Divided-Difference-Representation-of-Polynomials.html#Divided-Difference-Representation-of-Polynomials" accesskey="2">Divided Difference Representation of Polynomials</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Quadratic-Equations.html#Quadratic-Equations" accesskey="3">Quadratic Equations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Cubic-Equations.html#Cubic-Equations" accesskey="4">Cubic Equations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
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<tr><td align="left" valign="top">&bull; <a href="General-Polynomial-Equations.html#General-Polynomial-Equations" accesskey="5">General Polynomial Equations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
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<tr><td align="left" valign="top">&bull; <a href="Roots-of-Polynomials-Examples.html#Roots-of-Polynomials-Examples" accesskey="6">Roots of Polynomials Examples</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
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<tr><td align="left" valign="top">&bull; <a href="Roots-of-Polynomials-References-and-Further-Reading.html#Roots-of-Polynomials-References-and-Further-Reading" accesskey="7">Roots of Polynomials References and Further Reading</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
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