I have just returned from the huge Supercomputing 2012 conference in Salt Lake City. I can report on interesting reactions to some questions I posed in last week's blog and on some impressive speedup results when we ran the code in last week's blog on a parallel cluster in the Cloud.... 더 읽어보기 >>

We know a little bit, but not much, about the linear algebraic properties of magic squares. ... 더 읽어보기 >>

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