{"coeffs": [6.473767039043324e-07, 0.8506381227262492, 1.8251894301464917, 0.1259043437597295], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.064216582267534e-07, 2199.0641521989455, 326.88850312462915, 0.015462060501378695], "covariance": [[3.677472275664853e-13, -0.000874437304652441, -0.0001299974657803022, -7.31692852638006e-09], [-0.0008744373039229407, 4835883.1454864675, 718848.7829750314, 32.60118742932764], [-0.00012999746567536285, 718848.7829751245, 106856.09347506068, 4.846316660388499], [-7.316928523323358e-09, 32.60118743904253, 4.846316661830832, 0.00023907531494829517]]}