{"coeffs": [-7.647351834185143e-07, 0.2724292188769019, 1.9093528203081933, 0.1580696178724712], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.569269924389879e-07, 107.81950821954989, 62.993678938307866, 0.012956147945731827], "covariance": [[4.3155307339493415e-13, -5.345335986623586e-05, -3.123944554353642e-05, -7.361185246026228e-09], [-5.3453359862798704e-05, 11625.046352705587, 6791.9468203371, 1.347593950162836], [-3.123944554165801e-05, 6791.946820337351, 3968.2035861826116, 0.7874282558614032], [-7.361185245817958e-09, 1.3475939501939949, 0.7874282558795072, 0.00016786176959169104]]}