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There isn't a 'hat operator' - it is just an available notation. Charles Matthews 22:20, 9 March 2007 (UTC)
The article seems to be about use of the 'hat' in notation, not about any operator. Perhaps the article should be renamed?
Also I came across the use of the hat notation in my control theory course, where it was used in the context of the Kalman filter to indicate the estimated state variable x, which seems to agree in principle with its use in statistics, perhaps worthy of mention? (if such use is commonplace) Erik.Bjareholt ( talk) 12:52, 13 December 2018 (UTC)
Something should be said about the symbol in symbolic logic. 2600:1008:B162:400A:6C37:4974:59C8:F16E ( talk) 18:28, 5 March 2023 (UTC)
This article is rated Stub-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | |||||||||||
|
There isn't a 'hat operator' - it is just an available notation. Charles Matthews 22:20, 9 March 2007 (UTC)
The article seems to be about use of the 'hat' in notation, not about any operator. Perhaps the article should be renamed?
Also I came across the use of the hat notation in my control theory course, where it was used in the context of the Kalman filter to indicate the estimated state variable x, which seems to agree in principle with its use in statistics, perhaps worthy of mention? (if such use is commonplace) Erik.Bjareholt ( talk) 12:52, 13 December 2018 (UTC)
Something should be said about the symbol in symbolic logic. 2600:1008:B162:400A:6C37:4974:59C8:F16E ( talk) 18:28, 5 March 2023 (UTC)