{"coeffs": [-1.129144262197784e-06, 4.356070392696688e-05, 0.4371455754893121, 0.17148892551861408], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.355807589144014e-08, 5.183850936152275e-07, 0.0038174759833921623, 0.0022934817978226144], "covariance": [[8.753113564508473e-15, -3.73431907474548e-14, -2.4049353757686576e-10, -1.9327517308241428e-10], [-3.73431907474549e-14, 2.6872310528246815e-13, 1.9509182914244184e-09, 1.1239228695328863e-09], [-2.4049353757686685e-10, 1.9509182914244196e-09, 1.4573122883775955e-05, 7.899961331597773e-06], [-1.9327517308241454e-10, 1.1239228695328848e-09, 7.899961331597758e-06, 5.260058756943651e-06]]}