{"coeffs": [-5.295527174430213e-06, 0.00010640754206310106, 0.47349832600774927, 0.1856404743037991], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.184784437720467e-06, 5.494965591866448e-06, 0.016571576366170217, 0.010907269932873375], "covariance": [[1.4037141638646033e-12, -5.324716997920982e-12, -1.411304370926528e-08, -1.2013258950274696e-08], [-5.32471699792097e-12, 3.0194646855796184e-11, 8.968395709007973e-08, 5.72449492079467e-08], [-1.4113043709265246e-08, 8.968395709007969e-08, 0.00027461714325981124, 0.00016389917550629205], [-1.2013258950274686e-08, 5.724494920794674e-08, 0.00016389917550629226, 0.00011896853738856356]]}