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[matrix] Diff of /pkg/Matrix/man/rankMatrix.Rd
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Diff of /pkg/Matrix/man/rankMatrix.Rd

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revision 3202, Tue Jan 31 14:59:23 2017 UTC revision 3203, Tue Jan 31 15:46:36 2017 UTC
# Line 2  Line 2 
2  \alias{rankMatrix}  \alias{rankMatrix}
3  \title{Rank of a Matrix}  \title{Rank of a Matrix}
4  \description{  \description{
5    Compute \sQuote{the} matrix rank, a well-defined functional in theory,    Compute \sQuote{the} matrix rank, a well-defined functional in theory(*),
6    somewhat ambigous in practice.  We provide several methods, the    somewhat ambigous in practice.  We provide several methods, the
7    default corresponding to Matlab's definition.    default corresponding to Matlab's definition.
8    
9      (*) The rank of a \eqn{n \times m}{n x m} matrix \eqn{A}, \eqn{rk(A)} is the maximal number of
10      linearly independent columns (or rows); hence \eqn{rk(A) \le min(n,m)}{rk(A) <= min(n,m)}.
11  }  }
12  \usage{  \usage{
13  rankMatrix(x, tol = NULL,  rankMatrix(x, tol = NULL,

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