3
votes
1answer
281 views

Grouping numbers to minimize group-means

I need to find a way or an algorithm that groups members of a given data set (of positive integers) so that the difference between group means is minimized (not maximized, as usual). There are two ...
7
votes
2answers
1k views

Algorithm for finding overlapping times

Part of our ERP system is a sub-system for running background jobs. We track a variety of meta-data about our jobs in a table including timestamps for submitted, started, and end times. I'm creating ...
7
votes
2answers
4k views

Is this a valid smartphone CPU vs. desktop CPU speed comparison (Android G1 vs. old Pentium 4 desktop)?

I am trying to estimate speed differences when creating code on my desktop PC that will be ported to Android phones. I don't need to be exact, but a good estimation will help stop me from creating ...