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@@ -942,7 +942,7 @@ <h1>Problem<a class="headerlink" href="#problem" title="Permalink to this headli
 <dt class="sig sig-object cpp" id="_CPPv4NK5pagmo7problem7get_nixEv">
 <span id="_CPPv3NK5pagmo7problem7get_nixEv"></span><span id="_CPPv2NK5pagmo7problem7get_nixEv"></span><span id="pagmo::problem::get_nixC"></span><span class="target" id="classpagmo_1_1problem_1afb62b299a83b11a3e8ee66591c113b25"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><a class="reference internal" href="types.html#_CPPv4N5pagmo13vector_doubleE" title="pagmo::vector_double"><span class="n"><span class="pre">vector_double</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">size_type</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">get_nix</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5pagmo7problem7get_nixEv" title="Permalink to this definition">#</a><br /></dt>
 <dd><p>Integer Dimension. </p>
-<p>This method will return <span class="math notranslate nohighlight">\( n_{ix} \)</span>, the dimension of the integer part of the problem. If the UDP satisfies <a class="reference internal" href="miscellanea/type_traits.html#classpagmo_1_1has__integer__part"><span class="std std-ref">pagmo::has_integer_part</span></a>, then the output of its <code class="docutils literal notranslate"><span class="pre">get_nix()</span></code> method will be returned. Otherwise, this method will return 0.</p>
+<p>This method will return <span class="math notranslate nohighlight">\( n_{ix} \)</span>, the dimension of the integer part of the problem. If the UDP satisfies <a class="reference internal" href="miscellanea/type_traits.html#classpagmo_1_1has__integer__part"><span class="std std-ref">pagmo::has_integer_part</span></a>, then the output of its <code class="docutils literal notranslate"><span class="pre">get_nix()</span></code> method will be returned. Otherwise, this method will return 0. Note that integer variables must be appended after continuous variables in the decision vector <span class="math notranslate nohighlight">\( x \)</span>.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Returns</dt>
 <dd class="field-odd"><p><span class="math notranslate nohighlight">\( n_{ix}\)</span>, the integer dimension of the problem. </p>