{"coeffs": [-6.003358655110645e-07, 0.44170078141940655, 1.290640361154002, 0.06077119373448483], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4584644614074543e-07, 17320.552162060714, 2389.255305493332, 0.025396223864178828], "covariance": [[2.127118585188536e-14, -0.0009706382899278682, -0.00013389791832490162, -1.8132405847034846e-09], [-0.0009706382876376335, 300001527.1986661, 41383221.12395338, 421.5885929362494], [-0.00013389791799926217, 41383221.12395641, 5708540.914828034, 58.15593130161747], [-1.813240582202424e-09, 421.58859321061465, 58.15593133933613, 0.0006449681865594863]]}