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<a name="Auxiliary-Functions-for-Chebyshev-Series"></a>
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Next: <a href="Chebyshev-Series-Evaluation.html#Chebyshev-Series-Evaluation" accesskey="n" rel="next">Chebyshev Series Evaluation</a>, Previous: <a href="Creation-and-Calculation-of-Chebyshev-Series.html#Creation-and-Calculation-of-Chebyshev-Series" accesskey="p" rel="previous">Creation and Calculation of Chebyshev Series</a>, Up: <a href="Chebyshev-Approximations.html#Chebyshev-Approximations" accesskey="u" rel="up">Chebyshev Approximations</a> &nbsp; [<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Auxiliary-Functions"></a>
<h3 class="section">30.3 Auxiliary Functions</h3>
<p>The following functions provide information about an existing
Chebyshev series.
</p>
<dl>
<dt><a name="index-gsl_005fcheb_005forder"></a>Function: <em>size_t</em> <strong>gsl_cheb_order</strong> <em>(const gsl_cheb_series * <var>cs</var>)</em></dt>
<dd><p>This function returns the order of Chebyshev series <var>cs</var>.
</p></dd></dl>

<dl>
<dt><a name="index-gsl_005fcheb_005fsize"></a>Function: <em>size_t</em> <strong>gsl_cheb_size</strong> <em>(const gsl_cheb_series * <var>cs</var>)</em></dt>
<dt><a name="index-gsl_005fcheb_005fcoeffs"></a>Function: <em>double *</em> <strong>gsl_cheb_coeffs</strong> <em>(const gsl_cheb_series * <var>cs</var>)</em></dt>
<dd><p>These functions return the size of the Chebyshev coefficient array
<code>c[]</code> and a pointer to its location in memory for the Chebyshev
series <var>cs</var>.
</p></dd></dl>




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