{"coeffs": [-5.168534299650686e-07, 5.0408960469627336e-05, 0.4272036337871392, 0.1109022350075295], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7613445840052384e-07, 1.028651014218957e-06, 0.005060984730965822, 0.0030991524485251996], "covariance": [[3.102334743604586e-14, -1.0081746180042682e-13, -3.55338851586427e-10, -4.029002358471556e-10], [-1.0081746180042677e-13, 1.0581229090536885e-12, 5.025335541261392e-09, 2.8679576462855415e-09], [-3.553388515864267e-10, 5.025335541261391e-09, 2.5613566447069196e-05, 1.3044638235144977e-05], [-4.029002358471554e-10, 2.8679576462855415e-09, 1.3044638235144977e-05, 9.604745899199739e-06]]}