{"coeffs": [-1.2462804201626157e-06, 3.8498508148842614e-05, 0.4170959590051881, 0.1734209838261736], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.976201937490795e-08, 4.613606876987393e-07, 0.0038071140115021255, 0.002532252158619643], "covariance": [[9.95246050975951e-15, -3.5658566392737604e-14, -2.47880060113296e-10, -2.2876659199240527e-10], [-3.5658566392737686e-14, 2.1285368415385367e-13, 1.7207435311277568e-09, 1.1036355823427696e-09], [-2.4788006011329684e-10, 1.7207435311277574e-09, 1.4494117096575805e-05, 8.538111663549896e-06], [-2.2876659199240555e-10, 1.1036355823427685e-09, 8.538111663549884e-06, 6.4123009948338425e-06]]}