{"coeffs": [7.628730291498374e-08, 3.1707682346283706e-07, 0.4818981765648562, 0.06866280214682352], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.2205085591274876e-08, 3.927634009545912e-08, 0.033347694253346556, 0.0266766262600515], "covariance": [[1.4896411429034557e-16, -1.6020524487682557e-16, -1.9158023526231498e-12, -1.7752316119745358e-10], [-1.602052448768256e-16, 1.54263089129417e-15, 1.09469845895272e-09, 8.360899176339545e-10], [-1.9158023526231332e-12, 1.09469845895272e-09, 0.0011120687120146828, 0.0005202630151890718], [-1.7752316119745355e-10, 8.360899176339543e-10, 0.0005202630151890718, 0.0007116423886184692]]}