Think about a baseball game. The batter has to decide whether and how to hit the incoming pitch. He needs to judge the position and speed of the ball, given his own visual uncertainty, and to estimate ...

This update to a frequently requested article first published here in 1998 explains how statistical methods can create many different position accuracy measures. As the driving forces of positioning ...

For Gaussian quadrature rules over a finite interval, applied to analytic or meromorphic functions, we develop error bounds from contour integral representations of ...