Often the questions we ask require us to make accurate predictions on how one factor affects an outcome. If a teacher is asked to work out how time spent writing an essay affects essay grades, it’s ...

THERE are already many excellent books on least squares, both theoretical and practical, but there are also many differences between the requirements of one student and another, and this book may well ...

This is a preview. Log in through your library . Abstract Based on the generalized minimal residual (GMRES) principle, Hu and Reichel proposed a minimal residual algorithm for the Sylvester equation.

This is a preview. Log in through your library . Abstract In this paper a distribution sampling study consisting of four major experiments is described. The L1 norm is employed in two new estimating ...

In a multivariate regression model, the errors in different equations may be correlated. In this case the efficiency of the estimation may be improved by taking these cross-equation correlations into ...