def testL2GroupingRegularizer(self):
group_reg = grouping_regularizers.L2GroupingRegularizer(
[self._reg1, self._reg2], 0.25)
expcted_reg_vec = [
np.sqrt((x**2 + y**2))
for x, y in zip(self._reg_vec1, self._reg_vec2)
]
with self.test_session():
self.assertAllEqual([x > 0.25 for x in expcted_reg_vec],
group_reg.alive_vector.eval())
self.assertAllClose(expcted_reg_vec,
group_reg.regularization_vector.eval(), 1e-5)
def _l2_reg_with_025_threshold(regularizers_to_group):
return grouping_regularizers.L2GroupingRegularizer(regularizers_to_group,
0.25)