Isn't it
atan2 =: {:"1@:*.@:(j./"1)
?
atan2 1 1
0.785398
atan2 _1 _1
_2.35619
atan2 _1 0
3.14159
Henry Rich
On 3/11/2014 7:05 PM, EelVex wrote:
Is there an atan2 anywhere in some library?
If not maybe we could add it?
A simple start could be:
atan2 =: +:@(_3&o.)@([ %~ ] -~ +/&.:*:)
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