{"coeffs": [-4.3624731213471644e-08, 0.1053215237347187, 1.2122650181423233, 0.06372211912764172], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.3029917822027004e-08, 81.54471593656278, 49.55360046662716, 0.0029977456539444468], "covariance": [[5.30377114889317e-16, -7.442430259538493e-07, -4.523435246101422e-07, -3.482749820888945e-11], [-7.442430260360064e-07, 6649.540697174717, 4040.8342203084903, 0.234111470101596], [-4.523435246661767e-07, 4040.834220308414, 2455.5593192061115, 0.14227325259960097], [-3.482749821098142e-11, 0.23411147009350552, 0.1422732525947214, 8.986479005742818e-06]]}