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Please use this identifier to cite or link to this item: http://hdl.handle.net/10926/1898

Title: Uncertainty and UncertaintyGUM mathematica functions
Authors: Aibe, Valter Yoshihiko
Mikhailov, Mikhail Dimitrov
Keywords: Incerteza de medição
ISO GUM 95
Issue Date: 2012
Publisher: Acervo Digital do Inmetro
Citation: AIBE, Valter Yoshihiko; MIKHAILOV, Mikhail Dimitrov. Uncertainty and UncertaintyGUM mathematica functions. Rio de Janeiro: Inmetro, 2012.
Abstract: Two functions from the authors Mathematica package are demonstrated. UncertaintyGUM is based on the Guide to the Expression of Uncertainty in Measurement (GUM) [1]. The more powerful Uncertainty use the propagation of distributions to find analytically, numerically, or statistically the expectation ± standard deviation for expression of random variables with prescribed statistical distributions. These two functions gives the same results for the linear expression c1*x1+c2*x2+c3*x3 with normal or multinormal statistical distributions of variables x1, x2, and x3. The approximate results of UncertaintyGUM and exact one of Uncertainty, for the nonlinear expressions Sin[x] and x^n of the normally distributed random variable x, are compared in three interactive demonstrations. This paper is a Mathematica notebook transformed to the new CDF (Computable Document Format) supported by the free CDF Player distributed by the Wolfram Research [3].
Description: 15 p. : il.
Additional Description: O arquivo <Uncertainty_GUM_Mathematica_Functions.cdf> executa as funções apresentadas no <Uncertainty_GUM_Mathematica_Functions.pdf>. Para ler arquivos no formato CDF (Formato de Documento Computável) e executar seus conteúdos é necessário instalar o aplicativo gratuito "Wolfram CDF Player" disponível em: http://www.wolfram.com/cdf/ ______________________________________________________________________________. The file <Uncertainty_GUM_Mathematica_Functions.cdf> runs the presented functions in the <Uncertainty_GUM_Mathematica_Functions.pdf>. In order to read CDF (Computable Document Format) files and execute their contents it is necessary to download and install the Wolfram CDF Player available for free at http://www.wolfram.com/cdf/index.en.html
Document type: Artigo / Article
Unit: Divisão de Metrologia em Dinâmica de Fluídos - Dinam
Appears in Collections:DINAM | Artigos publicados em periódicos nacionais

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