def test_satisfy_inter(self): v_space = VectorSpace(QQ,4) sub = v_space.subspace([[1,-1,1,1],[2,-3,4,5]]) comp = orth_complement(v_space,sub) zero = v_space.subspace([v_space.zero()]) inter = sub.intersection(comp) self.assertEqual(zero,inter)
def test_satisfy_sum(self): v_space = VectorSpace(QQ,4) sub = v_space.subspace([[1,1,1,-1],[2,-3,41,5]]) comp = orth_complement(v_space,sub) self.assertEqual(v_space,sub+comp)
def test_comp(self): v_space = VectorSpace(QQ,4) sub = v_space.subspace([[1,1,1,1],[2,2,-3,-1]]) comp = orth_complement(v_space,sub) true_comp = v_space.subspace([[19,-17,3,-5],[1,-1,0,0]]) self.assertEqual(comp,true_comp)
def test_full(self): v_space = VectorSpace(QQ,4) zero = v_space.subspace([v_space.zero()]) comp = orth_complement(v_space,v_space) self.assertEqual(zero,comp)