chainerx.sign¶
- chainerx.sign(x)¶
Returns an element-wise indication of the sign of a number. The sign function returns \(-1 if x < 0, 0 if x==0, 1 if x > 0\).
nan
is returned fornan
inputs. :param x: Input array. :type x: ~chainerx.ndarray- Returns
The sign of x.
- Return type
See also