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Total Least Squares Regression in Input Sparsity Time

Neural Information Processing Systems

In the total least squares problem, one is given an m n matrix A, and an m d matrix B, and one seeks to "correct" both A and B, obtaining matrices  and B, so that there exists an X satisfying the equation ÂX = B. Typically the problem is overconstrained, meaning that m max(n, d).








Medieval elite still received fancy burials despite disease stigma

Popular Science

Breakthroughs, discoveries, and DIY tips sent six days a week. Wealth confers privilege, and for many people during the Middle Ages, this privilege extended into the afterlife . The trend often mirrored their relationship with religion before their deaths, too--nobility and knights frequently ensured they sat in the front pews of services. Money is only one facet of social relations, however. Communities have long discriminated against and ostracized residents with debilitating illnesses--especially those with outward physical effects.