{"coeffs": [2.50214344072405e-07, 1.245609730971129, 1.8935313863950003, 0.1306079548766618], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.728553748902232e-07, 3851.557587014134, 405.61381215283774, 0.01616403826820719], "covariance": [[5.973054304967075e-13, -0.002001640211169679, -0.00021081389521324, -9.9372307915154e-09], [-0.002001640212474997, 14834495.846086135, 1562244.9461691957, 59.74170316045896], [-0.00021081389534970493, 1562244.9461690572, 164522.56460915756, 6.291698620306118], [-9.937230794749053e-09, 59.741703146279335, 6.291698618813426, 0.0002612761331360666]]}