{"coeffs": [-6.580148396131933e-08, 0.3314419111871009, 1.6014367614590248, 0.098992353890266], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.557081683085054e-08, 679.2594738904633, 203.5741395947896, 0.006638223546563328], "covariance": [[5.710948356481963e-15, -2.811035352924046e-05, -8.425413308230527e-06, -3.3867579201413844e-10], [-2.8110353519369994e-05, 461393.4328699489, 138279.6623188397, 4.307900051774589], [-8.425413305284846e-06, 138279.6623188445, 41442.43031175889, 1.2911164807821374], [-3.3867579194915374e-10, 4.307900052256099, 1.2911164809262425, 4.4066011854147805e-05]]}