{"coeffs": [-9.2151620411314e-08, 0.0006515108080361743, 1.1717379003629367, 0.14646812880406743], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5412772834407472e-08, 0.0012686313346678695, 0.3035699953539611, 0.003521629420901813], "covariance": [[6.4580902313319835e-16, -2.2520409179653248e-11, -5.4390880468507496e-09, -7.330773545361254e-11], [-2.2520409179654036e-11, 1.6094254633011796e-06, 0.0003850850020046722, 4.291015790687025e-06], [-5.439088046851014e-09, 0.0003850850020046722, 0.09215474207920399, 0.0010306041901297445], [-7.330773545361437e-11, 4.291015790687024e-06, 0.0010306041901297445, 1.240187377816124e-05]]}