{"coeffs": [-0.1482616360393555, 0.23153642245752123, -1293.9451048081298, 3602.08662191054], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.9455431330924835, 3.5988100391732405, 26488.205542507552, 67247.79500248523], "covariance": [[18192760910181.555, -20417393898662.816, -3.5054190739623572e+16, -3.9783034485393114e+17], [-20417393898662.812, 27157243431863.85, 1.165157444252154e+17, 5.041166233766548e+17], [-3.5054190739623556e+16, 1.165157444252154e+17, 1.471204058141385e+21, 1.8148878644761078e+21], [-3.9783034485393114e+17, 5.041166233766547e+17, 1.8148878644761078e+21, 9.48252368510443e+21]]}