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<a name="Introduction-to-solve_005frec"></a>
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<p>
Next: <a href="maxima_322.html#Functions-and-Variables-for-solve_005frec" accesskey="n" rel="next">Functions and Variables for solve_rec</a>, Previous: <a href="maxima_320.html#solve_005frec_002dpkg" accesskey="p" rel="previous">solve_rec-pkg</a>, Up: <a href="maxima_320.html#solve_005frec_002dpkg" accesskey="u" rel="up">solve_rec-pkg</a> &nbsp; [<a href="maxima_toc.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="maxima_368.html#Function-and-Variable-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Introduction-to-solve_005frec-1"></a>
<h3 class="section">85.1 Introduction to solve_rec</h3>

<p><code>solve_rec</code> is a package for solving linear recurrences with polynomial
coefficients.
</p>
<p>A demo is available with <code>demo(&quot;solve_rec&quot;);</code>.
</p>
<p>Example:
</p>
<div class="example">
<pre class="example">(%i1) load(&quot;solve_rec&quot;)$
</pre><pre class="example">(%i2) solve_rec((n+4)*s[n+2] + s[n+1] - (n+1)*s[n], s[n]);
                                    n
                 %k  (2 n + 3) (- 1)          %k
                   1                            2
(%o2)       s  = -------------------- + ---------------
             n     (n + 1) (n + 2)      (n + 1) (n + 2)
</pre></div>

<div class=categorybox>&middot;<p>Categories:&nbsp;&nbsp;<a href="maxima_369.html#Category_003a-Linear-recurrences">Linear recurrences</a>
&middot;<a href="maxima_369.html#Category_003a-Share-packages">Share packages</a>
&middot;<a href="maxima_369.html#Category_003a-Package-solve_005frec">Package solve_rec</a>
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Next: <a href="maxima_322.html#Functions-and-Variables-for-solve_005frec" accesskey="n" rel="next">Functions and Variables for solve_rec</a>, Previous: <a href="maxima_320.html#solve_005frec_002dpkg" accesskey="p" rel="previous">solve_rec-pkg</a>, Up: <a href="maxima_320.html#solve_005frec_002dpkg" accesskey="u" rel="up">solve_rec-pkg</a> &nbsp; [<a href="maxima_toc.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="maxima_368.html#Function-and-Variable-Index" title="Index" rel="index">Index</a>]</p>
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