{"coeffs": [-3.687527848498731e-08, 3.3284324513951816e-07, 0.6053267729083586, 0.2901089420086496], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.9315611928325432e-07, 1.7711021490792625e-06, 2.307080565285284, 0.957356827558704], "covariance": [[3.730928641656677e-14, -3.3387774257466576e-13, -4.336845542860002e-07, -1.8370559545469491e-07], [-3.338777425746866e-13, 3.1368028224731823e-12, 4.085618757308493e-06, 1.6855985233453818e-06], [-4.336845542860279e-07, 4.0856187573085034e-06, 5.3226207347170655, 2.1929382343266077], [-1.8370559545470034e-07, 1.6855985233453286e-06, 2.192938234326533, 0.9165320952732661]]}