Talk:Gauss's method

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Definitions of I, J, and K

This may seem like a dumb question, but I don’t see any definition of the symbols $\mathbf {\hat {I}}$ , $\mathbf {\hat {J}}$ , and $\mathbf {\hat {K}}$ . What do they represent?

CielProfond (talk) 22:47, 26 November 2020 (UTC)[reply]

Looks like they represent the three perpendicular axes. In other words his formula:

{\displaystyle \mathbf {R_{n}} =R_{e}\cos \phi '_{n}\cos \theta _{n}\ \mathbf {\hat {I}} +R_{e}\cos \phi '_{n}\sin \theta _{n}\ \mathbf {\hat {J}} +R_{e}\sin \phi '_{n}\ \mathbf {\hat {K}} } means X = {\displaystyle \mathbf {R_{n}} =R_{e}\cos \phi '_{n}\cos \theta _{n}\ \mathbf}