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<title>YALMIP 3 backwards compability</title>
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<h2>Backwards compatibility</h2>
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<p>Old YALMIP code (version 2.4) is 99% compatible with the version 3, but there are a few changes
(backwards compatible if not otherwise stated).</p>
<h3>Solving problems</h3>
<ul>
<li>The solvers SP and SOCP are no longer supported. </li>
<li><a href="solvers.htm#sdpt3">SDPT3</a> version 3.0 and earlier is no
longer supported. </li>
<li><a href="solvers.htm#csdp">CSDP</a> version 4.5 and earlier is no longer
supported. </li>
<li><a href="reference.htm#solvesdp">solvesdp</a> has a new input syntax.
</li>
<li>Initial guesses are now given using the field <code>usex0</code> in
<a href="reference.htm#sdpsettings">sdpsettings</a> (<font color="#FF0000">not
backwards compatible</font>).</li>
<li>When <code>savesolverinput</code> and <code>savesolveroutput</code>
are activated, the data is saved in the fields <code>solution.solveroutput</code>
and <code>solution.solveroutput</code> (small letters,
<font color="#FF0000">not backwards compatible</font>).</li>
</ul>
<h3>Obsolete functionalities</h3>
<ul>
<li><a href="reference.htm#lmi">addlmi</a> is obsolete (use overloaded +
or &).</li>
<li><a href="reference.htm#lmi">dellmi</a> and
<a href="reference.htm#lmi">updatelmi</a> are obsolete.</li>
<li><a href="reference.htm#polyprint">pretty</a> is obsolete.</li>
</ul>
<h3>Changed command names</h3>
<ul>
<li>The command <a href="reference.htm#set">set</a> replaces
<a href="reference.htm#seti">lmi</a>. </li>
<li>The command <a href="reference.htm#yalmiptest">yalmiptest</a> replaces
<a href="reference.htm#yalmiptest">dbtest</a>. </li>
</ul>
<h3>Options</h3>
<ul>
<li>The field <code>silent</code> in <a href="reference.htm#sdpsettings">
sdpsettings</a> does not exist anymore. Use <code>verbose</code> instead.
</li>
<li>The field <code>sedumi.maxradius </code>in
<a href="reference.htm#sdpsettings">sdpsettings</a> does not exist anymore.
Use the general field <code>radius</code> instead.</li>
<li>The field <code>sedumi.removeequalities </code>in
<a href="reference.htm#sdpsettings">sdpsettings</a> does not exist anymore.
Use the general field <code>removeequalities</code> instead.</li>
</ul>
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