{"coeffs": [-1.095435980038264e-06, 0.30214947658006863, 1.8727632025868663, 0.15182207043978205], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.0021418477886e-07, 62.77772949969522, 31.7033389303702, 0.005855844718427246], "covariance": [[9.012855674243552e-14, -1.3913923556439222e-05, -7.028646054949453e-06, -1.4973069500700264e-09], [-1.391392355529923e-05, 3941.0433211369036, 1990.2634693780942, 0.35420449397097165], [-7.028646054390668e-06, 1990.263469378186, 1005.1016993339268, 0.17889684222332441], [-1.4973069500082314e-09, 0.35420449398210874, 0.1788968422289462, 3.429091736633228e-05]]}