<p dir="auto">see  <a href="http://docs.scipy.org/doc/scipy/reference/special.html" rel="nofollow">http://docs.scipy.org/doc/scipy/reference/special.html</a></p>
<p dir="auto">in the Bessel Functions section.</p>
<ol dir="auto">
<li>the description of jn() and jv() are identical, however jn() should be "integer order n" while jv() should be "real order v".  (c.f. the entries for yn() and yv() )</li>
<li>in the Bessel Functions section, note that the arguments in the function list (typically x1, x2) do not match the arguments in the description (typically n(or v), z)</li>
<li>the optional "out" parameter is not described</li>
</ol>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="&gt;&gt;&gt; scipy.info(scipy.special.jn)
jv(x1, x2[, out])

y=jv(v,z) returns the Bessel function of real order v at complex z."><pre class="notranslate"><code class="notranslate">&gt;&gt;&gt; scipy.info(scipy.special.jn)
jv(x1, x2[, out])

y=jv(v,z) returns the Bessel function of real order v at complex z.
</code></pre></div>
<p dir="auto">Could it be related to <a href="https://github.com/scipy/scipy/blob/master/scipy/special/generate_ufuncs.py#L372">https://github.com/scipy/scipy/blob/master/scipy/special/generate_ufuncs.py#L372</a> where <code class="notranslate">jn</code> is aliased to <code class="notranslate">jv</code> in the ufunc generation code?</p>