numpy.negative¶
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numpy.
negative
(x[, out]) = <ufunc 'negative'>¶ Returns an array with the negative of each element of the original array.
Parameters: x : array_like or scalar
Input array.
Returns: y : ndarray or scalar
Returned array or scalar: y = -x.
Examples
>>> np.negative([1.,-1.]) array([-1., 1.])