Frequent Design Idea (DI) contributor, Christopher Paul, runs into a data visualization problem when working on a new ...

We formulate this problem as a nonlinear Generalized Disjunctive Program (GDP), which, following transformation, results in a large-scale mixed-integer nonlinear programming (MINLP) problem. This ...

As the UK gears up for Record Store Day this weekend (April 12), the Official Charts Company is marking 10 years since the launch of the Official Vinyl Albums Chart and Official Vinyl Singles Chart.