{"coeffs": [-2.427049597600323e-07, 4.151407912037733e-05, 0.45823604641069954, 0.1093279103392075], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.462079150593438e-08, 6.061833070343251e-07, 0.003521476509601914, 0.0018545244013532323], "covariance": [[5.5682625249721286e-15, -2.486325466222949e-14, -1.1613821751079174e-10, -1.0004746485084683e-10], [-2.48632546622295e-14, 3.674582017270708e-13, 2.0910793429591255e-09, 1.020621371500284e-09], [-1.161382175107918e-10, 2.0910793429591255e-09, 1.240079680767808e-05, 5.686968094716531e-06], [-1.0004746485084683e-10, 1.0206213715002838e-09, 5.68696809471653e-06, 3.4392607552145643e-06]]}