{"coeffs": [-4.926484660212291e-06, 0.5051995621314784, 2.237673411877672, 0.20074077395976334], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.1909966318994453e-06, 216.51221408494368, 86.45933758796508, 0.021262995612402816], "covariance": [[4.800466240994712e-12, -0.00039757319072798015, -0.00015880227259307546, -4.310712840303333e-08], [-0.0003975731906648615, 46877.53884796448, 18719.500636083052, 4.476109101784662], [-0.00015880227256810826, 18719.5006360855, 7475.2170561497105, 1.787631596274608], [-4.310712839969765e-08, 4.47610910209178, 1.7876315963969514, 0.00045211498241306137]]}