Transcription of How to combine errors
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How to combine errors
How to combine errors 400. Robin Hogan Blackbody irradiance (W m 2). June 2006. 300. 1 What is an error ? F + F. All measurements have uncertainties that need to 200. be communicated along with the measurement itself.. F. Suppose we make a measurement of temperature, T , F. T. but the true temperature is T . In this case our instan- 100. taneous error is T = T T . Obviously we don't know the value of T for any specific measurement T T+ . T. (otherwise we could simply subtract it and report the 0. 0 100 200 300.)
How to combine errors Robin Hogan June 2006 1 What is an “error”? All measurements have uncertainties that need to be communicated along with the measurement itself. Suppose we make a measurement of temperature, Tˆ, but the “true” temperature is T. In this case our instan-
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