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Measuring Uncertainty in Scientific Computation Using Numerica 21’s Test Harness

Abstract : The test harness, TH, is a tool developed by Numerica 21 to facilitate the testing and evaluation of scientific software during the development and maintenance phases of such software. This paper describes how the tool can be used to measure uncertainty in scientific computations. It confirms that the actual behavior of the code when subjected to changes, typically small, in the code input data reflects formal analysis of the problem’s sensitivity to its input. Although motivated by studying small changes in the input data, the test harness can measure the impact of any changes, including those that go beyond the formal analysis.
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Brian Smith. Measuring Uncertainty in Scientific Computation Using Numerica 21’s Test Harness. 10th Working Conference on Uncertainty Quantification in Scientific Computing (WoCoUQ), Aug 2011, Boulder, CO, United States. pp.165-179, ⟨10.1007/978-3-642-32677-6_11⟩. ⟨hal-01518674⟩

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