Abstract: The choice of the coordinate system in a bearings-only tracking problem influences the methods used to observe and predict the state of a moving target. Modified polar coordinates and ...

Building and selling cars is a serious business. There's a lot of money at stake, and if you develop a product that consumers don't want, you could not only lose massive amounts of money but also ...

Bryan Roth had been hiking and scrambling for a while, with drop-offs evident around him, when his guides held out coveralls and pointed between two rocks. “We have to go in the hole,” one said. Roth ...