{"coeffs": [2.589768159913788e-08, 8.866579669440589e-06, 0.6699295658199445, 0.08185202630294977], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.5189425012664136e-08, 1.3970081698651474e-06, 0.024446616009051483, 0.006093366338838786], "covariance": [[6.345071324686296e-16, -1.6514526982530867e-14, -2.87185206529196e-10, -9.228810395434996e-11], [-1.6514526982530842e-14, 1.9516318266699687e-12, 3.4058908245217836e-08, 8.001013694815972e-09], [-2.87185206529195e-10, 3.405890824521783e-08, 0.0005976370342940122, 0.00014177664583769786], [-9.22881039543499e-11, 8.001013694815972e-09, 0.00014177664583769794, 3.7129113339293595e-05]]}