{"coeffs": [-4.0290573692231336e-08, 0.1301216777572464, 1.3093508947787178, 0.07320109747864882], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.519505782906287e-08, 145.7056244058372, 82.25963109802242, 0.004382165657479995], "covariance": [[1.2386920955910797e-15, -2.233685190521307e-06, -1.2612408439239955e-06, -8.511759300394491e-11], [-2.2336851929797625e-06, 21230.128983494902, 11985.690780658504, 0.6103380999331297], [-1.261240845328887e-06, 11985.69078065656, 6766.646908382739, 0.34458843008703044], [-8.511759305315937e-11, 0.6103380997279771, 0.344588429971221, 1.920337584959708e-05]]}