numpy.signbit()

numpy.signbit

numpy.signbit(x[, out]) =

Returns element-wise True where signbit is set (less than zero).

Parameters:	x : array_like The input value(s). out : ndarray, optional Array into which the output is placed. Its type is preserved and it must be of the right shape to hold the output. See doc.ufuncs.
Returns:	result : ndarray of bool Output array, or reference to out if that was supplied.

Examples

登录查看完整内容