[R]A matrix is full rank is equal to having independent columns?

kjetil@entelnet.bo kjetil at entelnet.bo
Mon Nov 3 21:00:28 CET 2003

On 3 Nov 2003 at 13:32, Feng Zhang wrote:

This are the same concept, no additional proof is needed.
The rank of a matrix is the max number of li columns, or rows
(which are the same).

Kjetil Halvorsen

> Dear R listers,
> Just a simple question.
> If we say an nxm matrix (n>m) is full rank of m,
> does this mean that this matrix has linearly independent columns?
> They are the same definition or needs some proof?
> Thanks for your answer.
> Fred
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