numpy.ma.MaskedArray.all — NumPy v1.13 Manual (original) (raw)

MaskedArray. all(axis=None, out=None, keepdims=<class numpy._globals._NoValue>)[source]¶

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.

Refer to numpy.all for full documentation.

See also

ndarray.all

corresponding function for ndarrays

numpy.all

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