ma.
all
Returns True if all elements evaluate to True.
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 masked.
masked
Refer to numpy.all for full documentation.
numpy.all
See also
numpy.ndarray.all
corresponding function for ndarrays
equivalent function
Examples
>>> np.ma.array([1,2,3]).all() True >>> a = np.ma.array([1,2,3], mask=True) >>> (a.all() is np.ma.masked) True