{"coeffs": [-5.187118319292204e-07, 0.32439168912606864, 1.980848518147273, 0.16265510799291277], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.1182056511452054e-06, 270.0521684321915, 136.10527383605213, 0.022869745890226535], "covariance": [[1.2503838782530725e-12, -0.00023130499779165816, -0.00011660481530604598, -2.2343084569007313e-08], [-0.00023130499778016813, 72928.17367492872, 36755.521877607476, 5.963311902115008], [-0.00011660481530061186, 36755.5218776085, 18524.64556598674, 3.0057822847002025], [-2.2343084568535486e-08, 5.963311902237075, 3.005782284762231, 0.0005230252770835335]]}