{"coeffs": [-2.466946594452433e-06, 9.846417167069018e-05, 0.35119346841320026, 0.14436345482925161], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.395314493452611e-07, 1.7894122167067501e-06, 0.005085955077941314, 0.004540406747442748], "covariance": [[4.090004747016504e-13, -7.969221448402415e-13, -1.2712201554226714e-09, -2.5126394360281075e-09], [-7.969221448402416e-13, 3.2019960812993653e-12, 8.319125020398572e-09, 7.442482498053144e-09], [-1.2712201554226714e-09, 8.31912502039857e-09, 2.5866939054837033e-05, 1.69876309959593e-05], [-2.5126394360281075e-09, 7.442482498053143e-09, 1.69876309959593e-05, 2.0615293432223633e-05]]}