{"coeffs": [-2.9652398786863195e-06, 0.2718390107256039, 2.2463865920591313, 0.20853986079929918], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.5288294482755834e-06, 85.05027992826848, 65.71245510734336, 0.021292014275238164], "covariance": [[2.3373194819146246e-12, -0.00011038992975181162, -8.531667154939738e-05, -3.0347584894087204e-08], [-0.0001103899297543938, 7233.5501158768275, 5588.861789935327, 1.7629271946837408], [-8.53166715513004e-05, 5588.861789935185, 4318.126756234616, 1.3622739373378907], [-3.034758489442103e-08, 1.7629271946654412, 1.3622739373237547, 0.00045334987189694573]]}