{"coeffs": [0.0003914373159694261, -3.758631746979292e-07, -4.650543087175464, 0.7770496162382756], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.022931850800373, 3.3620827984898273e-06, 8083.330714057511, 15.078109442367774], "covariance": [[16.183980676184113, -1.314852651915503e-05, -32518.661897457445, 60.25440591166293], [-1.3148526523366114e-05, 1.1303600743901188e-11, 0.0264274929555738, -5.030189159079585e-05], [-32518.66189751329, 0.026427492947162522, 65340235.432825506, -121087.86620180796], [60.25440592103875, -5.030189158272103e-05, -121087.86622043901, 227.3493843560202]]}