{"coeffs": [-5.365177708225463e-07, 8.902003585274844e-06, 0.355978833907027, 0.21439356338674495], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3051233686159574e-07, 5.771820783303274e-07, 0.02049065836851412, 0.02065617630435339], "covariance": [[5.313593744539379e-14, -1.1251045054755809e-13, -2.948585070751766e-09, -4.510345853433635e-09], [-1.1251045054755803e-13, 3.3313915154571627e-13, 1.112871908716416e-08, 1.1428290107901363e-08], [-2.9485850707517655e-09, 1.1128719087164162e-08, 0.0004198670803751577, 0.00034845672745687927], [-4.510345853433634e-09, 1.1428290107901363e-08, 0.00034845672745687927, 0.0004266776195165305]]}