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<A NAME=RANK>

<TITLE>RANK</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>



<B>RANK</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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 <P> <H3> 
syntax: </H3>
<em>rank</em>(&lt;matrix\_expression&gt;) 
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<em>rank</em>calculates the rank of its matrix argument. 
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examples: </H3>
<P><PRE><TT>
rank mat((a,b,c),(d,e,f)); 

  2

</TT></PRE><P>The argument to <em>rank</em> can also be a 
<A HREF=r37_0053.html>list</A> of lists, interpreted 
either as a row matrix or a set of equations. If that form of input is 
chosen, the vectors in the result will be represented by lists as well. 
This additional input syntax facilitates the use of <em>rank</em> in 
applications different from classical linear algebra. 
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