{"coeffs": [1.5505096953783797e-07, 4.161854607012406e-05, 0.39587796380968987, 0.10942118620656478], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.281996804689178e-07, 3.9499038173263074e-06, 0.024163657565370984, 0.017186267912604924], "covariance": [[8.615546468226012e-13, -2.009713639546912e-12, -7.141932958775053e-09, -1.182357837353151e-08], [-2.0097136395469105e-12, 1.5601740166128937e-11, 8.957029107255405e-08, 6.018228469636274e-08], [-7.1419329587750435e-09, 8.957029107255405e-08, 0.0005838823469365104, 0.0003196612266010268], [-1.1823578373531504e-08, 6.018228469636275e-08, 0.0003196612266010269, 0.0002953678047638336]]}