In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of nodes connected by links, or edges. Often, these ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...

I have a problem where I need to find all possible paths in a space. <BR><BR>For example, I have some number of vectors connected by some number of lines (edges). If I start at vector A and my target ...