a = ma.masked_array([0, 1, 2, 3], [True, False, False, False])
b = ma.masked_array([0, 1, 2, 3], [True, True, False, False])
a == b
b = ma.masked_array([0, 1, 2, 4], [True, True, False, False])
a == b
Is there a library that does array equivalency for numpy.ma?