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variance-covariance matrix - [surveying] In surveying, the symmetric 3x3 matrix that mathematically expresses the correlation between errors in coordinates x, y, and z.
[Category=Geospatial ]
Source: esri, 25 September 2012 08:34:34, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
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