{"coeffs": [-1.249611119973146e-07, 1.664331602846034e-05, 0.5042700631941142, 0.10384869922730415], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.4339329907156127e-08, 6.185879515695589e-07, 0.008210959067925572, 0.0034354389845844225], "covariance": [[1.9659761766156297e-15, -1.4403902795186887e-14, -1.7066038709909834e-10, -1.0476187153219641e-10], [-1.440390279518686e-14, 3.8265105382702294e-13, 5.029663325268467e-09, 1.9485489840929077e-09], [-1.706603870990982e-10, 5.0296633252684664e-09, 6.741984881514916e-05, 2.561246576027723e-05], [-1.0476187153219643e-10, 1.9485489840929077e-09, 2.561246576027723e-05, 1.180224101680245e-05]]}