{"coeffs": [-9.364269014261244e-07, 0.00011340033897114088, 0.5136940030108599, 0.12908869763319708], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.699073574468999e-07, 2.364039725075493e-06, 0.005503731819040437, 0.002700463318122993], "covariance": [[7.284998160396859e-14, -4.247525475773718e-13, -8.780274314266873e-10, -5.983288093392991e-10], [-4.24752547577372e-13, 5.588683821735011e-12, 1.2871358821551625e-08, 5.938703546173725e-09], [-8.780274314266873e-10, 1.2871358821551627e-08, 3.0291063935918153e-05, 1.3468926907960026e-05], [-5.983288093392994e-10, 5.938703546173726e-09, 1.3468926907960026e-05, 7.292502132527845e-06]]}