{"coeffs": [-3.6129638179822257e-06, 7.340075671726323e-05, 0.556874447302639, 0.21360679189515155], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.937209477417069e-06, 1.5331619146159814e-05, 0.07704934486433933, 0.03689645421711057], "covariance": [[3.752780559394514e-12, -2.548311418619814e-11, -1.2321099541353698e-07, -6.771035016788798e-08], [-2.5483114186197884e-11, 2.350585456428941e-10, 1.177775596694897e-06, 5.469157930848227e-07], [-1.232109954135356e-07, 1.1777755966948958e-06, 0.005936601544023893, 0.002712632135153884], [-6.771035016788765e-08, 5.469157930848251e-07, 0.002712632135153899, 0.0013613483337953363]]}