When Edsger W. Dijkstra published his algorithm in 1959, computer networks were barely a thing. The algorithm in question found the shortest path between any two nodes on a graph, with a variant ...

Let's first define what exactly the problem is. Take this graph, for instance. For the purposes of this post, the blue circles represent "nodes" or "vertices" and the black lines are "edges" or "node ...

If you’ve been making the same commute for a long time, you’ve probably settled on what seems like the best route. But “best” is a slippery concept. Perhaps one day there’s an accident or road closure ...

Finding the minimum spanning tree is one of the fundamental algorithms and it is important in computer science and practical programming. We take a look at the theory and the practice. Before we get ...

In our Retrobituaries series, we highlight interesting people who are no longer with us. Today let's explore the life of Edsger Dijkstra, who died at 72 in 2002. If you’ve used a computer or smart ...

If you’re headed over to mainland China as a tourist, it’s possible to get to most of the country by rail. China is huge though, about the same size as the United States and more than twice the size ...