{"coeffs": [3.810311145168221e-08, 7.618481548693774e-08, 0.5073708995276093, 0.04164845161687338], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.2574876534221055e-08, 3.536701064999358e-08, 0.15223236299774423, 0.12697149612706238], "covariance": [[1.5812751985090334e-16, -7.565287973014324e-17, 2.740190871171121e-10, -5.733399652084701e-10], [-7.565287973014323e-17, 1.2508254423167595e-15, 3.786206904356076e-09, 3.025765701493399e-09], [2.740190871171121e-10, 3.786206904356076e-09, 0.023174692343876965, 0.007907303341067777], [-5.733399652084701e-10, 3.0257657014933996e-09, 0.007907303341067777, 0.016121760828744617]]}