{"coeffs": [-4.145028016353981e-06, 7.391620402202219e-05, 0.47827182809055724, 0.19976194471012604], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.804301149702852e-07, 3.540824074573524e-06, 0.016040257406451697, 0.01064732211940003], "covariance": [[6.090711643525325e-13, -2.3219714319073863e-12, -9.39460871301908e-09, -7.820717333988701e-09], [-2.321971431907387e-12, 1.2537435127079452e-11, 5.603730390448307e-08, 3.620795284435317e-08], [-9.394608713019085e-09, 5.6037303904483084e-08, 0.0002572898576652285, 0.00015642113210724627], [-7.820717333988704e-09, 3.6207952844353174e-08, 0.00015642113210724624, 0.00011336546831426514]]}