Check if any of the elements of a are true.
Performs a logical_or over the given axis and returns the result. Masked values are considered as False during computation.
axis : {None, integer}
Axis to perform the operation over. If None, perform over flattened array and return a scalar.
out : {None, array}, optional
Array into which the result can be placed. Its type is preserved and it must be of the right shape to hold the output.
See also
numpy.ma.all
numpy.ma.count