{"coeffs": [-8.480926386371809e-07, 7.115069874533656e-06, 0.2871941244798422, 0.12168701352361745], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.715333467226089e-07, 2.7661625452960133e-06, 0.09706652385148022, 0.053846402492834324], "covariance": [[1.3803702772690233e-13, -5.170225675945776e-13, -1.3524585337396315e-08, -1.364105366504079e-08], [-5.17022567594578e-13, 7.651655226998519e-12, 2.6100131534776904e-07, 1.3347958259989888e-07], [-1.3524585337396321e-08, 2.6100131534776904e-07, 0.009421910052609977, 0.004434337850601487], [-1.3641053665040796e-08, 1.334795825998989e-07, 0.004434337850601487, 0.0028994350614203147]]}