numpy.ufunc.identity

attribute

ufunc.identity

The identity value.

Data attribute containing the identity element for the ufunc, if it has one. If it does not, the attribute value is None.

Examples

>>> np.add.identity
0
>>> np.multiply.identity
1
>>> np.power.identity
1
>>> print(np.exp.identity)
None

numpy.ufunc.types numpy.ufunc.signature