{"coeffs": [1.502117454756284e-08, 1.4400750031438025e-06, 1.2952447587024627, 0.28630653073777856], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [9.996910826351721e-09, 5.301475581664645e-06, 1.3871355890676509, 0.10395756564202535], "covariance": [[9.993822607002824e-17, -4.877028737689055e-14, -1.2886673783040602e-08, -1.0098305585901867e-09], [-4.877028737688063e-14, 2.8105643342986488e-11, 7.351147305548004e-06, 5.419337474218023e-07], [-1.2886673783038093e-08, 7.351147305548114e-06, 1.9241451424580587, 0.142450154863274], [-1.009830558590086e-09, 5.419337474218573e-07, 0.14245015486328624, 0.01080717545421601]]}