{"coeffs": [-9.467855358709224e-07, 0.0003912300584726543, 0.8133341809629193, 0.14587382691608136], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.011733265160233e-07, 5.045565094186196e-05, 0.027466043844670794, 0.0032475955502165813], "covariance": [[4.0470707301522526e-14, -7.319914569364302e-12, -4.093643739755001e-09, -5.5034295444483e-10], [-7.31991456936434e-12, 2.545772711967016e-09, 1.3840475275398907e-06, 1.5703221470210914e-07], [-4.093643739755007e-09, 1.3840475275398903e-06, 0.0007543835644773783, 8.659092025338853e-05], [-5.503429544448297e-10, 1.5703221470210909e-07, 8.659092025338853e-05, 1.0546876857786539e-05]]}