{"coeffs": [-7.580304387939727e-06, 0.00010584630230389224, 0.34530298280126787, 0.16109292956645258], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.350024328340084e-06, 1.1268453410840782e-05, 0.029475304095839854, 0.02796203474053924], "covariance": [[1.8922711657150596e-11, -3.65742734007878e-11, -5.6759526256542796e-08, -1.0907836214482222e-07], [-3.65742734007878e-11, 1.2697804227228925e-10, 3.0361339700105794e-07, 2.92928740743011e-07], [-5.675952625654281e-08, 3.03613397001058e-07, 0.0008687935515422337, 0.0006148654010639169], [-1.0907836214482222e-07, 2.92928740743011e-07, 0.0006148654010639169, 0.0007818753868311235]]}