{"coeffs": [-2.4610015195725235e-06, 0.00015736413501668656, 0.6253969079354894, 0.18016273297400492], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5377929635913382e-06, 2.856454722468157e-05, 0.058993677336393734, 0.0192643532834616], "covariance": [[2.364807198871031e-12, -3.540448750122624e-11, -7.253758557745927e-08, -2.707896787322759e-08], [-3.540448750122622e-11, 8.159333581510636e-10, 1.6828136846869004e-06, 5.284127363455001e-07], [-7.253758557745922e-08, 1.6828136846869e-06, 0.0034802539656705357, 0.0010939097978050465], [-2.707896787322758e-08, 5.284127363455001e-07, 0.0010939097978050465, 0.00037111530743001774]]}