Description Usage Arguments Details References Examples

Returns the rank of a matrix.

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`x` |
a numeric matrix. |

`method` |
a character string. For |

The function `rk`

computes the rank of a matrix which is
the dimension of the range of the matrix corresponding to the number
of linearly independent rows or columns of the matrix, or to the
number of nonzero singular values.

The rank of a matrix is also named inear map.

Golub, van Loan, (1996);
*Matrix Computations*,
3rd edition. Johns Hopkins University Press.

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