{"coeffs": [-8.678275028823483e-08, 3.004533698407629e-05, 0.5332222784426668, 0.1328504140546872], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.1919254504942384e-08, 9.007331209790515e-07, 0.007874881364936265, 0.0028494357500249206], "covariance": [[2.6956089883489802e-15, -3.0494650808635515e-14, -2.557807248281093e-10, -1.18408965792498e-10], [-3.049465080863552e-14, 8.113201552286626e-13, 7.063755442750912e-09, 2.405128310348657e-09], [-2.557807248281095e-10, 7.063755442750912e-09, 6.201375651182046e-05, 2.1026471370856727e-05], [-1.1840896579249807e-10, 2.405128310348657e-09, 2.1026471370856727e-05, 8.119284093520083e-06]]}