{"coeffs": [2.993007680638809e-07, 9.143937707312224e-07, 0.36847102272926024, 0.0005671725381877787], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6665817365465003e-07, 3.7711160740806577e-07, 131762773189940.03, 8814501622362.488], "covariance": [[7.11065815768335e-14, -1.688073363550615e-21, 0.586368857331812, 0.031003998512512225], [-1.6880733628465773e-21, 1.4221316444189513e-13, 0.08006526873300115, 0.005356106658775251], [0.586368857331812, 0.08006526174293967, 1.736142839870358e+28, 1.161423178049707e+27], [0.03664805358323825, 0.005356106219375349, 1.1614231780497071e+27, 7.769543885063095e+25]]}