{"coeffs": [-8.906319172996996e-06, 0.00010204338716721663, 0.5273775934478059, 0.2663439315227206], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.601187964322172e-06, 7.722023792864887e-06, 0.030931373456768236, 0.019379489798087818], "covariance": [[2.563802897090181e-12, -1.1200423488063481e-11, -4.254008660480234e-08, -3.009919202988072e-08], [-1.1200423488063452e-11, 5.962965145757141e-11, 2.3749985443394763e-07, 1.4615154375722629e-07], [-4.2540086604802234e-08, 2.3749985443394753e-07, 0.0009567498639220665, 0.0005713116030562836], [-3.0099192029880674e-08, 1.4615154375722645e-07, 0.0005713116030562846, 0.00037556462483418976]]}