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Variances are propagated using a standard equation (see e.g. equation 3.13
from Bevington and Robinson2).
Note that covariances are not calculated to save computational time. Thus,
calculated variances will not be formal for problems with correlated errors.
Next: Reducing data with error propagation
Up: Error propagation
Previous: Getting error information into a file
FIGARO A general data reduction system
Starlink User Note 86
Keith Shortridge, Horst Meyerdierks,
Malcolm Currie, Martin Clayton, Jon Lockley,
Anne Charles, Clive Davenhall,
Mark Taylor, Tim Ash, Tim Wilkins, Dave Axon,
John Palmer, Anthony Holloway and
Vito Graffagnino
2004 February 17
E-mail:ussc@star.rl.ac.uk
Copyright © 2008 Science and Technology Facilities Council