def setdiff1d(a, b):
"""
setdiff1d(a, b) returns the elements of a that are not in b.
"""
from MDSplus import Data
from numpy.lib.arraysetops import setdiff1d
return Data(setdiff1d(a.data(),b.data()))
def intersect1d(a,b):
from MDSplus import Data
from numpy.lib.arraysetops import intersect1d
return Data(intersect1d(a.data(),b.data()))
