{"coeffs": [-6.752720957408826e-05, 2.2085698104073015e-07, -6.481433373761603, 1.132792271256931], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.11071619646234848, 6.856911705322487e-07, 1906.8112357673351, 9.284555182409406], "covariance": [[0.012258076159089346, -7.51039181205902e-08, 211.11455709338824, -1.0252191270326603], [-7.510391800413319e-08, 4.701723813458854e-13, -0.0012938122600894652, 6.348884518047881e-06], [211.11455708944234, -0.0012938122620708974, 3635929.0888485513, -17659.104287162594], [-1.0252191262415782, 6.34888452294041e-06, -17659.10427386821, 86.20296493520534]]}