A note from the Editor in Chief: Scientific American is celebrating its 166th year. Given its history as the longest continuously published magazine in the U.S., it's probably no surprise that it has ...

This is a preview. Log in through your library . Abstract When a linear programming problem is found to have no feasible solution, the model-builder generally has no tools for systematically ...

Aid and development organizations tackle a broad range of complex problems in demanding operating environments. However, the standard tools and processes we use are ill-suited to the task we face. The ...

Do you want to enter the job market as a competitive GIS modeler with programming skills? This course will help you get there. It focuses on the extension of geographic information systems (GIS) ...