obs_functions = [

    # lambda x, v: math.pow(x, 2) / 20 + v,
    # lambda x, v: math.pow(x, 2) / 20 + v,
    # lambda x, v: math.pow(x, 2) / 20 + v
    lambda x, v: x / 2 + v,
    lambda x, v: x / 2 + v,
    lambda x, v: x / 2 + v
]

