{"coeffs": [5.37320715690069e-07, 1.3596694287219948e-05, 0.5803749548044639, 0.06303559510784175], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4091057439293255e-07, 7.4977260836505095e-06, 0.07142634509294422, 0.01938969587215725], "covariance": [[1.9855789975746182e-14, -3.6583745527783935e-13, -3.393245155755563e-09, -1.2827144194508756e-09], [-3.658374552778394e-13, 5.6215896425453204e-11, 5.333281824170503e-07, 1.348171145132929e-07], [-3.393245155755573e-09, 5.333281824170504e-07, 0.005101722773336358, 0.0013030896315479451], [-1.2827144194508758e-09, 1.3481711451329294e-07, 0.001303089631547945, 0.000375960306014752]]}