{"coeffs": [-5.511322112138525e-06, 8.145168992002018e-05, 0.471227729185667, 0.20752821636324936], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.150450285433102e-06, 4.773069478716023e-06, 0.01970060605437524, 0.013815002056318311], "covariance": [[1.323535859253106e-12, -4.672959488602588e-12, -1.711151877042282e-08, -1.5048314303152957e-08], [-4.672959488602611e-12, 2.2782192248650447e-11, 9.26006969671946e-08, 6.347523512627482e-08], [-1.711151877042294e-08, 9.260069696719469e-08, 0.0003881138789096864, 0.00024856223931840697], [-1.5048314303153003e-08, 6.34752351262747e-08, 0.00024856223931840615, 0.00019085428181607917]]}