Running angle

Running angle

In graphonomics, the running angle is the angle of consecutive vectors (Xt,Yt) with respect to the base line,

i.e.: phi(t) = arctan(frac {Delta Yt} {Delta Xt} ) ,.

Usually, it is more informative to compute it using a four-quadrant version of the arctan function in a mathematical software library.

See also

* differential geometry
* polar distribution


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