{"coeffs": [2.429767266547456e-07, 0.2925033790193949, 1.560735556871996, 0.10743078682852404], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.520238835847874e-07, 619.520583906472, 229.0413111524663, 0.0239778686999035], "covariance": [[5.655399214819459e-13, -0.00027181136078905803, -0.00010051425975448686, -1.2827747740652244e-08], [-0.00027181136088503697, 383805.75388381595, 141895.80162772024, 14.203440274837654], [-0.00010051425979158606, 141895.8016277047, 52459.922214440885, 5.251550746059408], [-1.2827747742966244e-08, 14.203440273074794, 5.251550745407234, 0.000574938187389812]]}