{"coeffs": [-1.949760359161043e-06, 6.517546370917198e-05, 0.3576666502789771, 0.15094224328835434], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.657237833786472e-07, 7.795041612902855e-07, 0.003401282007351577, 0.0029674778120757444], "covariance": [[7.060912905306223e-14, -1.4855441252745186e-13, -4.002340066114525e-10, -6.918618274909139e-10], [-1.485544125274519e-13, 6.076267374688714e-13, 2.4593843946028467e-09, 2.135436442677689e-09], [-4.0023400661145307e-10, 2.4593843946028475e-09, 1.1568719293533573e-05, 7.715514660136472e-06], [-6.91861827490914e-10, 2.1354364426776888e-09, 7.715514660136467e-06, 8.805924565161847e-06]]}