{"coeffs": [-9.034800826485488e-06, 0.00015403040423838955, 0.4659251715260173, 0.1950962456964675], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.728304951276692e-06, 1.141734983877752e-05, 0.024107432039612794, 0.016864016498232524], "covariance": [[7.443647907160912e-12, -2.5960963626049763e-11, -4.786007049692512e-08, -4.3170431889883163e-08], [-2.5960963626049624e-11, 1.3035587734103304e-10, 2.7051291644882354e-07, 1.8451115208592323e-07], [-4.78600704969248e-08, 2.7051291644882317e-07, 0.0005811682795445495, 0.00036767634479743577], [-4.317043188988306e-08, 1.8451115208592366e-07, 0.0003676763447974372, 0.00028439505245265876]]}