{"coeffs": [6.137862196190455e-08, 0.38662370516807654, 1.5727522196416694, 0.09636890365495283], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.3348403056784415e-07, 1157.854565888134, 289.78984739449635, 0.009706249227019742], "covariance": [[1.7817986416637152e-14, -8.285904109030512e-05, -2.073999236815683e-05, -8.593098102378495e-10], [-8.285904117162358e-05, 1340627.1957479992, 335534.49631664355, 10.734603584237883], [-2.0739992388572983e-05, 335534.49631660915, 83978.15565292547, 2.686757352446229], [-8.593098106871251e-10, 10.734603580782496, 2.686757351580256, 9.421127405702132e-05]]}