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 …
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Ah yes that's Capital Theta sub two hat dot, not to be confused with lowercase theta sub two hat dot, itself different than lowercase theta sub two dot.
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I've never seen "dot on top of hat." That's wild.
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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.
End of conversation
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Gah, I'm having flashbacks to Lagrangian/Hamiltonian Mechanics assignments.
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hats and dots and hats and dots and hats and dots...
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