{"coeffs": [-2.163933075767064e-06, 2.993080442070433e-05, 0.365443024070809, 0.2076216415097002], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7088272610371632e-07, 4.6739632314273926e-07, 0.004909526880666962, 0.004610579396129433], "covariance": [[2.920090608063773e-14, -6.680147330475736e-14, -5.331787300599014e-10, -7.425899773089786e-10], [-6.680147330475777e-14, 2.1845932288735194e-13, 2.181504850988937e-09, 2.0611610852215385e-09], [-5.33178730059907e-10, 2.181504850988943e-09, 2.4103454191991474e-05, 1.8957217191424213e-05], [-7.425899773089808e-10, 2.0611610852215336e-09, 1.89572171914241e-05, 2.1257442368013246e-05]]}