The paper reviews the iterative Image Space Reconstruction Algorithm (ISRA) for solving Linear Inverse Problems with Positive Constraints. The development follows that for the EM algorithm in Vardi ...

A group of computer gamers are making habit of outshining scientists at their own game. Most of them have no scientific background, but they have a track record of cracking tough scientific puzzles, ...

The technique described in this paper was devised for sequencing jobs on individual machines having characteristics of: (1) high job changeover costs; (2) small backlogs (10-20 jobs); (3) occasional ...

(CBS News) Sudoku is, at its heart, a numbers game. So it's no surprise that mathematicians have latched on to the puzzles as a way to explore problem-solving algorithms and game theories. For ...

A member of our research community, Terhi Vessonen and her co-authors, looked into how different characteristics of mathematical word problem-solving tasks may influence elementary schooler’s ...

In a recent study from our research group, we looked into how different characteristics of mathematical word problem-solving tasks may influence elementary schooler’s performance. Mathematical word ...