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TMtxVec.ArcTan Method (TMtxVec, integer, integer, integer)

Calculate the inverse tangens of X object elements [XIndex]...[XIndex+Len-1].

Pascal
function ArcTan(const X: TMtxVec; XIndex: integer; Index: integer; Len: integer): TMtxVec; overload;

The results are stored in calling object elements [Index]...[Index+Len-1]. Size and Complex properties of the calling object must be set explicitly. An exception is raised if array borders are overrun.

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