def check_simple_underdet_complex(self):
a = [[1,2,3],[4,5j,6]]
s = svdvals(a)
assert len(s)==2
assert s[0]>=s[1]
def check_simple_overdet_complex(self):
a = [[1,2],[4,5],[3j,4]]
s = svdvals(a)
assert len(s)==2
assert s[0]>=s[1]
def check_simple_complex(self):
a = [[1,2,3],[1,20,3j],[2,5,6]]
s = svdvals(a)
assert len(s)==3
assert s[0]>=s[1]>=s[2]