{"coeffs": [-3.958363560278829e-08, 0.11691793086945033, 1.6349728475133127, 0.09867189223380267], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [6.396768526262469e-08, 2640.3853750275157, 2245.4312773213164, 0.03482058720720218], "covariance": [[4.091864757858212e-15, -8.819200201489498e-05, -7.50035612286113e-05, -1.4460097611006925e-09], [-8.819200202093907e-05, 6971634.928659195, 5928803.897976019, 87.76318683563893], [-7.500356123895014e-05, 5928803.897975971, 5041961.621172839, 74.63654915792343], [-1.446009761190035e-09, 87.76318683118821, 74.63654915409036, 0.0012124732934543718]]}