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I posted "Help developing a "better" QRPT routine". I guess sometimes we help those who help themselves ;-) Here GSL code for rank-revealing QRPT. It is just a minor tweak of gsl_linalg_QRPT_decomp -- the key feature is a different pivoting strategy. I would appreciate any suggestions on making this more "GSL like". I've only tested it with some M>N matrices -- some rank deficient. So, does anyone think this could be a valuable addition to GSL? -Rob
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