{"coeffs": [-2.3351068586762715e-06, 5.633673452515763e-05, 0.42406425087826133, 0.15895103639926159], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.6431045870273086e-07, 1.2064938438065933e-06, 0.006068877322796035, 0.004945516892324996], "covariance": [[1.3272211032019417e-13, -3.350483834707439e-13, -1.2333622800966128e-09, -1.6256683204225582e-09], [-3.350483834707437e-13, 1.455627395143208e-12, 6.985838166891917e-09, 5.5955420680186016e-09], [-1.233362280096611e-09, 6.985838166891914e-09, 3.6831271959147964e-05, 2.4764333973337513e-05], [-1.6256683204225578e-09, 5.595542068018603e-09, 2.4764333973337536e-05, 2.445813733227188e-05]]}