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http://www.npac.syr.edu/users/gcf/npacaddons -- see foils 106,7
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Many concepts in computer science are very complex and dynamic and both idea as well as implementation are hard to understand
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In particular, parallel algorithms for areas such as FFT, matrix algebra, sorting, "fast multipole" required complex data movement which is difficult (for me) to visualize from the basic mathematics.
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I suggest using Java as a pedagogical tool to animate such algorithmic data movement
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Screendumps show a prototype where a jolly orange will represent a matrix element which will roll around.
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One can view this as an example of how Web-based technical reprts can represent and transmit knowledge better than printed papers
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