def test_regularization(self):
     for ord in [1, 2]:
         with self.subTest(ord=ord):
             s = unmix(self.comp, self.parts, ord=ord)
 def test_det_lim(self):
     for det_lim in [0.001, 0.1, 0.5]:
         with self.subTest(det_lim=det_lim):
             s = unmix(self.comp, self.parts, det_lim=det_lim)
 def test_default(self):
     res = unmix(self.comp, self.parts)