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Tips:Rank of a matrix

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This is a simple tip that came from Dale McLerran during a discussion about invertibility of matrices.

SAS/IML does not have an inbuilt function to produce the rank of a matrix. The inbuilt rank function ranks the entries of the matrix.

In order to obtain the rank, one can use the following function.


Submitted by Murphy Choy. Contact me at my Discussion Page.

....see also