{"coeffs": [-3.77118286296873e-05, 0.0002499634898205256, 0.5749110027674457, 0.3457994117475158], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.6096581032930614e-05, 7.445780283256038e-05, 0.1426486775687492, 0.09070098695283786], "covariance": [[2.5909992094970164e-10, -1.1297309065580565e-09, -2.0959906520649195e-06, -1.4356731823257896e-06], [-1.1297309065580567e-09, 5.5439644026524375e-09, 1.0584817301952432e-05, 6.656581939424259e-06], [-2.0959906520649203e-06, 1.0584817301952432e-05, 0.020348645212112968, 0.012552092151443237], [-1.43567318232579e-06, 6.656581939424259e-06, 0.012552092151443237, 0.008226669034218863]]}