? rank of a map

Hi:

The rank of a finite-dimentional linear map is the number of linearly

independent row or column vectors of the matrix that maps a vector

in its n-dimensional domain to its m-dimensional range.

But how about a finite-dimensional nonlinear map? Is there a rank

of one such map? If yes, how does one dettermine it?

Thanks,
by Cheng Cosine
Feb/16/2k8 NC




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