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Computing in Science & Engineering

Issue 4 • Jul/Aug 2000

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Displaying Results 1 - 11 of 11
  • Regression lines: more than meets the eye

    Publication Year: 2000, Page(s):78 - 81
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (80 KB)

    In science and engineering, we often want to see how well a linear relation between two sets of data describes how they are related. Given such a regression line, we can interpolate data and (less reliably) extrapolate them or provide an explanatory relation between the variables. Fitting a regression line lets us quantify relationships and produce a line that is much better than an eyeball fit. I... View full abstract»

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  • Simulating the immune system

    Publication Year: 2000, Page(s):69 - 77
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    When a foreign substance (antigen) is introduced into our bodies, our immune system acts to eliminate that substance. This response is a complex process involving the collective and coordinated response of approximately 1012 cells, which is comparable to the number of synapses in the human brain. In an effort to fit detailed experimental observations into a comprehensive model of the im... View full abstract»

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  • Animating equations on the Web

    Publication Year: 2000, Page(s):91 - 95
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (484 KB)

    These days, a visit to the World Wide Web usually involves a visual treat of things that move, blink, fade in or out, and morph from one shape to another. They sometimes even make noise. Banner advertisements are particularly notorious for using these effects to grab your attention. There are other good uses for animation, however, not the least of which is to illustrate a technological or scienti... View full abstract»

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  • Sun PCi provides the best of two worlds

    Publication Year: 2000, Page(s):4 - 8
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB)

    First Page of the Article
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  • Monte Carlo arithmetic: how to gamble with floating point and win

    Publication Year: 2000, Page(s):58 - 68
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    How sensitive to rounding errors are the results generated from a particular code running on a particular machine applied to a particular input? Monte Carlo arithmetic illustrates the potential for tools to support new kinds of a posteriori round-off error analysis View full abstract»

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  • Extending Maple with compiled routines

    Publication Year: 2000, Page(s):82 - 86
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (140 KB)

    Maple (www.maplesoft.com) combines extensive capabilities in symbolic algebra with an interactive environment and graphics capability. With the latest release, Maple 6, you can incorporate your own compiled routines into the Maple interpreter. Maple itself capitalized on this capability to link in routines from the Numerical Algorithms Group (NAG) library, adding a lot of capability to this commer... View full abstract»

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  • Simulating the Glast satellite with Gismo

    Publication Year: 2000, Page(s):9 - 18
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (324 KB)

    One of the most interesting yet least explored areas of astrophysics is the gamma ray portion of the electromagnetic spectrum. One of gamma ray astronomy's most significant efforts has been the Compton Gamma Ray Observatory launched in 1991. Scientists from 21 institutions worldwide are now refining the newest gamma ray instrument, the Gamma Ray Large Area Space Telescope (Glast), which will conti... View full abstract»

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  • 3D simulations of interacting particles

    Publication Year: 2000, Page(s):87 - 90
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    At the Institute for Science Education, a simulation program named xyZET has been developed and combined with an introductory course in mechanics to demonstrate its usefulness in teaching and learning physics. One of its distinct features enables the visualization of the movement of interacting particles in 3D. It adds value to teaching and learning complex processes, where visualization can help ... View full abstract»

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  • Parallel methods and tools for predicting material properties

    Publication Year: 2000, Page(s):19 - 32
    Cited by:  Papers (38)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (820 KB)

    The authors present a parallel implementation of an electronic-structure application on the Cray T3D and T3E. This implementation has enabled the authors to perform some breakthrough calculations, for example, predicting the optical properties of systems on the order of 1,000 atoms from first principles View full abstract»

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  • A wavelet-based approach for compressing kernel data in large-scale simulations of 3D integral problems

    Publication Year: 2000, Page(s):34 - 45
    Cited by:  Papers (9)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    Second-generation surface wavelets can be an effective tool for compressing integral operator matrices arising from large-scale simulations of 3D problems. The author's approach generalizes previously reported results on wavelet-based operator compression to nonuniform grids and fairly general domains View full abstract»

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  • Graphical models for problem solving

    Publication Year: 2000, Page(s):46 - 57
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    Graphical models are not just efficient computational structures, they also incorporate knowledge in an intuitive way. The authors give an overview of the most important graphical models and some interesting applications of each View full abstract»

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Aims & Scope

CS&E magazine emphasizes articles that help define the field as the interface among the applications (in science and engineering), algorithms (numerical and symbolic), system software, and computer architecture.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
George K. Thiruvathukal
Loyola University