{"coeffs": [-2.6453013416875748e-08, 0.21467294862114825, 1.4327441387201094, 0.09728607445414411], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.369483245767388e-07, 255.37941745639225, 116.50085799386198, 0.018072261305108712], "covariance": [[4.057031681811146e-13, -8.786587814005895e-05, -4.009743235272817e-05, -7.682785918144344e-09], [-8.786587814399533e-05, 65218.64686036626, 29751.91902187223, 4.408752332514453], [-4.009743235461233e-05, 29751.919021871665, 13572.449913305996, 2.0114574142483352], [-7.6827859183476e-09, 4.408752332447061, 2.0114574142177006, 0.0003266066286801296]]}