time: float = 0.0
x: float = 3.00000000000000

# Initial assignments
dx = 0
y0 = [x]
variable_names = ["x"]


def model(time: float, variables: tuple[float, ...]) -> tuple[float, ...]:
    (x,) = variables
    dx: float = 0
    dxdt: float = dx
    return (dxdt,)


def derived(time: float, variables: tuple[float, ...]) -> dict[str, float]:
    (x,) = variables
    dx: float = 0
    return {
        "dx": dx,
    }
