Re: rank of matrix in mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg16045] Re: rank of matrix in mathematica
- From: weber at math.uni-bonn.de (Matthias Weber)
- Date: Sun, 21 Feb 1999 00:15:19 -0500
- Organization: RHRZ - University of Bonn (Germany)
- References: <7alqsn$nuf@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <7alqsn$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