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+---
+layout: default
+title: So, you tried to use a missing function...?
+menu: false
+---
+
+GNU Octave strives to be among the very best numerical tools
+available.  While compatibility with Matlab is one of many strong
+features of Octave, we have not achieved 100% compatibility.  If
+you are reading this page, it is most likely because you attempted
+to use a function that is part of core Matlab, but has yet to be
+implemented in Octave.
+
+There can be several reasons for the given function not to exist
+in Octave:
+
+<ul>
+  <li>
+    The function may exist
+    in <a href="http://octave.sourceforge.net">Octave-Forge</a>, but
+    has not yet been adopted as a part of the core Octave
+    distribution.  You can try to look for your function in
+    the <a href="http://octave.sourceforge.net/functions_by_alpha.php">alphabetical
+    list of functions</a> at the Octave-Forge web site to see if it
+    is available in some package.
+  </li>
+  <li>
+    The function may be new to Matlab.  It is possible that the Octave
+    community simply does not know it exists. Should this be the case,
+    feel free to open a feature request in the
+    <a href="http://bugs.octave.org">Octave bug tracker</a>.
+  </li>
+</ul>
+
+The Octave community consists of volunteers working in their spare
+time.  As a result, development might sometimes not be fast enough for
+your needs.  If you have a feature request for Octave, the best way to
+ensure that your suggested improvement gets incorporated is either to
+implement the feature yourself or to pay somebody to do it for you.
+If you are interested in funding work on Octave, please check out
+the <a href="get-involved.html">resources for developers</a>.