chainerx.arctan2¶
-
chainerx.
arctan2
(x1, x2)¶ Element-wise arc tangent of \(\frac{x_1}{x_2}\) choosing the quadrant correctly.
- Parameters
- Returns
Returns an array where each element represents \(\theta\) in the range \([-\pi, \pi]\), such that \(x_1 = r \sin(\theta)\) and \(x_2 = r \cos(\theta)\) for some \(r > 0\).
- Return type
Note
During backpropagation, this function propagates the gradient of the output array to the input array
x1
and/orx2
.See also