{"coeffs": [-3.1275618118408356e-06, 5.5940918629952404e-05, 0.37916893258661044, 0.18706558699558304], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7145887822089156e-07, 5.531268396658269e-07, 0.0030806720625217686, 0.0025609307392573497], "covariance": [[2.939814692076652e-14, -7.616175384020548e-14, -3.281195777467528e-10, -4.0614031091437966e-10], [-7.616175384020568e-14, 3.0594930075870534e-13, 1.6365878038270538e-09, 1.343585661581573e-09], [-3.2811957774675416e-10, 1.6365878038270549e-09, 9.490540356802127e-06, 6.682936794428062e-06], [-4.0614031091438007e-10, 1.3435856615815714e-09, 6.682936794428049e-06, 6.5583662512731955e-06]]}