def complex(a):
return (
operators.log(
operators.sigmoid(
operators.relu(operators.relu(a * 10 + 7) * 6 + 5) * 10
)
)
/ 50
)
def test_sigmoid(z):
if z >= 0:
assert operators.sigmoid(z) == 1.0 / (1.0 + math.exp(-z))
else:
assert operators.sigmoid(z) == math.exp(z) / (1.0 + math.exp(z))
def sig(a):
return operators.sigmoid(a)
def test_other(a):
"""
Write a test that ensures some other property holds for your functions.
"""
assert a == operators.neg(operators.neg(a))
assert_close(operators.sigmoid(-a), 1 - operators.sigmoid(a))
def sig(a):
"Apply sigmoid"
return operators.sigmoid(a)