pymc.math.arctan#

pymc.math.arctan = Elemwise(scalar_op=arctan,inplace_pattern=<frozendict {}>)[source]#

arctangent of a

Computes element-wise inverse tangent (arc tangent) of a tensor.

Parameters:

aTensorLike: Input tensor

Returns:

TensorVariable: Output tensor with the arc tangent of each element in radians, in the range [-π/2, π/2]

Notes

This function corresponds to NumPy’s np.arctan function. The values returned are in the range [-π/2, π/2]. For the two-argument inverse tangent function, see arctan2.

Examples

>>> import pytensor
>>> import pytensor.tensor as pt
>>> x = pt.vector("x")
>>> f = pytensor.function([x], pt.arctan(x))
>>> f([-1, 0, 1])
array([-0.78539816,  0.        ,  0.78539816])