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"Nonnegativity constraints in numerical analysis" has an error where the calculation of alpha has an erroneous negation. 73.189.236.203 ( talk) 22:50, 12 October 2020 (UTC) reply

https://scikit-learn.org/stable/auto_examples/linear_model/plot_nnls.html seems to pose a different problem? Should this article be expanded? Biggerj1 ( talk) 17:51, 14 October 2023 (UTC) reply