Mathematics, 13.11.2019 07:31, uehlingt39

Let x be an n-vector and define y as the nonnegative vector (i. e., the vector with nonnegative entries) closest to x. give an expression for the elements of y. show that the vector z = y − x is also nonnegative and that z t y = 0.

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Let x be an n-vector and define y as the nonnegative vector (i. e., the vector with nonnegative entr...