{"coeffs": [-0.6163851852139944, -0.006214002934512083, -0.08066949341169913, 0.04371506757320526], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.468601345429266e-07, 1.1658172896291612e-07, 7.09574157345259e-08, 6.116420373307012e-08], "covariance": [[0.013249237941736677, -0.0011068699450843393, 0.002640391190902762, -0.0021732641419211145], [-0.0011068699450843393, 0.008349184146250589, 0.001558546670669733, 0.0017852954921764928], [0.002640391190902762, 0.0015585466706697327, 0.003092990858242827, -0.00025318551625784486], [-0.0021732641419211145, 0.0017852954921764928, -0.00025318551625784497, 0.00229814649149782]]}