{"coeffs": [4.034762883875337e-08, 0.14177151123534498, 1.957558574473824, 0.13301131078670902], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [1.7822202428544987e-07, 2925.754693928466, 2768.788653299408, 0.061533809488409], "covariance": [[3.1763089940403484e-14, -0.00034152403910920617, -0.00032321826295233483, -8.555464082736668e-09], [-0.0003415240392712616, 8560040.529044453, 8100796.381338899, 172.55342452024877], [-0.0003232182631098973, 8100796.381338558, 7666190.60663955, 163.29917014006892], [-8.555464085032619e-09, 172.55342448753922, 163.29917010908625, 0.0037864097101558136]]}