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Re: rank of matrix in mathematica


In article <7alqsn$nuf at smc.vnet.net>, Jan Krupa <krupa at alpha.sggw.waw.pl> wrote:

> Is there in Mathematica3.0 a function which
> evaluates the rank of matrix ? If it is how can I find
> it's description in the Mathematica help.
> 
> Thanks in advance,
> 
> Jan

Rank[m_]:=Length[Transpose[m]]-Length[NullSpace[m]]

If you work with symbolic matrices, you should know that NullSpace
assumes that the symbolic values are generic.

Regards,

Matthias


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