Wang, C.
and Iyer, H.
(2005),
On Higher Order Corrections for Propagating Uncertainties, Metrologia
(Accessed May 8, 2024)
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On Higher Order Corrections for Propagating Uncertainties
Published
Author(s)
,
Abstract
The ISO Guide to the Expression of Uncertainty in Measurement (GUM) recommends the use of a first-order Taylor series expansion for propagating errors and uncertainties. The GUM also suggests the use of a second-order Taylor series approximation for calculating uncertainties when the first-order approximation alone is not adequate. In this paper we derive the formulas for evaluating measurement uncertainty based on a second-order Taylor series approximation. We provide a computer program that uses symbolic derivatives to calculate the second-order approximations of the uncertainty in measurement results.Citation
Metrologia
Volume
42
Pub Type
Journals
Keywords
GUM, propagation of error, software, Taylor series expansion
Citation
Created December 31, 2004, Updated October 12, 2021