{"coeffs": [-1.919232479512234e-08, 0.4041675080756231, 1.5305862376922266, 0.09123000801520201], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.908064272792306e-08, 866.3069097013821, 196.22220950825673, 0.0059581318902413635], "covariance": [[6.253748054261411e-15, -3.519709032401515e-05, -7.972973448403768e-06, -3.0133968268935007e-10], [-3.5197090293361826e-05, 750487.6617963586, 169988.65523636443, 4.929213781368231], [-7.972973440755536e-06, 169988.65523637945, 38503.155504302194, 1.1165193249790537], [-3.013396825458391e-10, 4.929213782858869, 1.1165193253178618, 3.549933562151112e-05]]}