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numpy.signbit(x[, out]) =
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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
>>> np.signbit(-1.2) True >>> np.signbit(np.array([1, -2.3, 2.1])) array([False, True, False], dtype=bool)
numpy.signbit()
2017-01-10 18:18:42
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