{"coeffs": [-7.609367781423672e-07, 0.011800005071940897, 1.7625811081578997, 0.1858720267727424], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.078383457045825e-07, 0.4991334491853958, 7.973754732484916, 0.012752688995401575], "covariance": [[4.319677794521755e-14, -8.444858654278431e-08, -1.3509593280960105e-06, -2.4095896916953127e-09], [-8.444858654280515e-08, 0.2491342000957101, 3.979956401941344, 0.006172830142258584], [-1.3509593280959029e-06, 3.979956401941343, 63.580764533825594, 0.09867092052677148], [-2.4095896916950807e-09, 0.006172830142258582, 0.09867092052677148, 0.00016263107661343643]]}