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Matrix.ArcTan2 Method (TMtxVec, TMtxVec)
Matrix Record | Matrix Members | MtxExpr Namespace | ArcTan2 Method | See Also
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Inverse tangens of Y/X.

Pascal
function ArcTan2(Y: TMtxVec; X: TMtxVec): TMtxVec; overload;
Description

Calculates the inverse tangens of Y/X, and returns an angle in the correct quadrant. The results are stored in calling object elements. Size and Complex properties of calling object are adjusted automatically to match those of X and Y objects. An exception is raised if X and Y size and Complex properties do not match. 

The result will fall in the range from -PI to PI radians.

Notes

ArcTan is calculated as ArcTan2(1, X).

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