{"coeffs": [-1.11022830417537e-05, -5.156496075732647e-07, -0.303820128491365, 0.09006597668707048], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.0704050923154814e-06, 2.5629241176450244e-07, 0.06143387270462355, 0.029350265730364852], "covariance": [[9.42738743091684e-12, -2.9252610765365466e-13, 1.8455551545142668e-07, -8.01920786070079e-08], [-2.925261076536548e-13, 6.568580032806527e-14, -4.494862766260285e-09, 3.983872248547111e-09], [1.8455551545142668e-07, -4.494862766260284e-09, 0.00377412071548789, -0.0015650434290542794], [-8.01920786070079e-08, 3.98387224854711e-09, -0.0015650434290542799, 0.0008614380984430294]]}