{"coeffs": [-1.5205380716096935e-07, 3.2118412640502754e-05, 0.4817086131258806, 0.13498888802396852], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.413368945416065e-07, 3.3689455186659333e-06, 0.028968324739200715, 0.013457485815185116], "covariance": [[1.165108755753078e-13, -7.595855505790223e-13, -5.8974222522256754e-09, -3.744025244345631e-09], [-7.595855505790216e-13, 1.1349793907739275e-11, 9.671444271273613e-08, 4.221095389417199e-08], [-5.897422252225676e-09, 9.671444271273613e-08, 0.0008391638381957881, 0.0003558413231691034], [-3.744025244345632e-09, 4.2210953894172e-08, 0.0003558413231691034, 0.00018110392446590861]]}