Function f

galleries/examples/color/color_cycle_default.py:15–17

A nice sigmoid-like parametrized curve, ending approximately at *a*.

(x, a)

def f(x, a):
    """A nice sigmoid-like parametrized curve, ending approximately at *a*."""
    return 0.85 * a * (1 / (1 + np.exp(-x)) + 0.2)


fig, ax = plt.subplots()