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all(self, axis=None, out=None, keepdims=<no value>)

The output array is masked where all the values along the given axis are masked: if the output would have been a scalar and that all the values are masked, then the output is :None:None:`masked`.

Refer to numpy.all for full documentation.

Returns True if all elements evaluate to True.

See Also

numpy.all

equivalent function

numpy.ndarray.all

corresponding function for ndarrays

Examples

This example is valid syntax, but we were not able to check execution
>>> np.ma.array([1,2,3]).all()
True
This example is valid syntax, but we were not able to check execution
>>> a = np.ma.array([1,2,3], mask=True)
... (a.all() is np.ma.masked) True
See :

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GitHub : /numpy/ma/core.py#4819
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