{"coeffs": [-2.401128260466778e-06, 0.26975001954870986, 1.9949263877814742, 0.1840050224765739], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.417388539231053e-06, 82.73501974713793, 56.96279532654706, 0.024397851400911125], "covariance": [[5.843767349605645e-12, -0.00016213729036802706, -0.00011168264651669719, -5.347841483767524e-08], [-0.0001621372903569032, 6845.083492559303, 4712.816560704767, 1.9568849681852], [-0.00011168264650909785, 4712.816560705178, 3244.760051414092, 1.3475743501628614], [-5.347841483586798e-08, 1.9568849682407392, 1.3475743502009758, 0.0005952551529809409]]}