Don't get involved in a debate with politicos talking aviation control systems Don't get involved in a debate with politicos talking aviation control systems Don't get involved in a debate with politicos talking aviation control systems Don't get involved in a debate with polihttps://twitter.com/fawfulfan/status/976497329908961280 …
It's not uncommon; hats or tildes often mean "estimates" in this context, and the dot means "time derivative"
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Aha! I habitually read hat as meaning vector. My math experience is relatively narrow.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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