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首页> 外文期刊>Computing and informatics >MILLER ANALYZER FOR MATLAB: A MATLAB PACKAGE FOR AUTOMATIC ROUNDOFF ANALYSIS
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MILLER ANALYZER FOR MATLAB: A MATLAB PACKAGE FOR AUTOMATIC ROUNDOFF ANALYSIS

机译:适用于MATLAB的MILLER ANALYZER:用于自动延期分析的MATLAB软件包

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摘要

We give a first report on our new software, Miller Analyzer for Matlab, which is an automatic roundoff error analyzer that extends the work of Miller et al. Using the original work of Miller, the analyzed numerical algorithm had to be expressed in a special, greatly simplified programming language. The main disadvantage of Miller's software is its own programming language and its restrictions. We have eliminated this drawback by creating a Matlab interface to the method of Miller. Applying the operator overloading based implementation technique of automatic differentiation, we have provided a means of analyzing numerical methods given in the form of Matlab m-functions. This new way of defining the analyzed numerical method is more flexible, and the integration into the Matlab environment makes the use of the software easy. Our work can be useful in analyzing the numerical stability of algorithms that use only the four basic real (not complex) arithmetic operations and square root. At the end of the paper, we discuss two such examples.
机译:我们对新软件Miller Analyzer for Matlab进行了首次报告,这是一种自动舍入误差分析仪,扩展了Miller等人的工作。使用Miller的原始工作,必须使用一种特殊的,大大简化的编程语言来表达所分析的数值算法。 Miller软件的主要缺点是其自己的编程语言及其限制。通过创建与Miller方法的Matlab接口,我们消除了此缺点。应用基于运算符重载的自动微分实现技术,我们提供了一种分析以Matlab m函数形式给出的数值方法的方法。这种定义分析数值方法的新方法更加灵活,并且集成到Matlab环境中使软件的使用变得容易。我们的工作对于分析仅使用四个基本实数(而不是复数)算术运算和平方根的算法的数值稳定性很有用。在本文的最后,我们讨论了两个这样的例子。

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