acos

paddle. acos ( x, name=None )

Warning: API “paddle.fluid.layers.layer_function_generator.acos” is deprecated since 2.0.0, and will be removed in future versions. Please use “paddle.acos” instead.

Arccosine Operator.

\(out = \cos^{-1}(x)\)

Parameters
  • x (Tensor) – Input of acos operator

  • name (str, optional) – Name for the operation (optional, default is None). For more information, please refer to Name.

Returns

Output of acos operator

Return type

out (Tensor)

Examples

import paddle

x = paddle.to_tensor([-0.4, -0.2, 0.1, 0.3])
out = paddle.acos(x)
print(out)
# [1.98231317 1.77215425 1.47062891 1.26610367]