numpy.reciprocal(x, /, out=None, *, where=True, casting='same_kind', order='K', dtype=None, subok=True[, signature, extobj]) = <ufunc 'reciprocal'>
Return the reciprocal of the argument, elementwise.
Calculates 1/x
.
Parameters: 


Returns: 

Note
This function is not designed to work with integers.
For integer arguments with absolute value larger than 1 the result is always zero because of the way Python handles integer division. For integer zero the result is an overflow.
>>> np.reciprocal(2.) 0.5 >>> np.reciprocal([1, 2., 3.33]) array([ 1. , 0.5 , 0.3003003])
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https://docs.scipy.org/doc/numpy1.17.0/reference/generated/numpy.reciprocal.html