gives the rank of the matrix m.

Details and OptionsDetails and Options

  • MatrixRank works on both numerical and symbolic matrices.
  • The rank of a matrix is the number of linearly independent rows or columns.
  • MatrixRank[m,Modulus->n] finds the rank for integer matrices modulo n.
  • MatrixRank[m,ZeroTest->test] evaluates to determine whether matrix elements are zero. The default setting is ZeroTest->Automatic.
  • MatrixRank[m,Tolerance->t] gives the minimum rank with each element in a numerical matrix assumed to be correct only to within tolerance t.
  • MatrixRank works with sparse arrays.
Introduced in 2003
| Updated in 2007
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