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matrix rank


I'm getting shot down by antispam software every time I post, so I'll
make this up out of several short messages.  First, for list
statisticians -- I need to evaluate the rank of an MxN (possibly square)
integer matrix.  Is the best routine for this purpose one of the SVD
routines or something else?  I could write one, but I'm trying to use
GSL code where I can as it is likely better than a simple pivoted
elimination (and I don't have to write it:-)

Code examples would be great if they are handy.

   rgb

Robert G. Brown	                       http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb@phy.duke.edu



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