{"coeffs": [-2.397993570878802e-06, 0.0001078961429517545, 0.47995519786154855, 0.15316630225736824], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.306262477046067e-07, 1.868670325675191e-06, 0.005084409431873686, 0.0030403593322559427], "covariance": [[1.0931371567122797e-13, -4.608536113965253e-13, -1.0797603266971243e-09, -8.898628479028961e-10], [-4.608536113965259e-13, 3.491928786059024e-12, 9.351392379522073e-09, 5.342050603057535e-09], [-1.0797603266971255e-09, 9.351392379522077e-09, 2.5851219270926096e-05, 1.3833180457088167e-05], [-8.898628479028967e-10, 5.342050603057533e-09, 1.3833180457088159e-05, 9.243784869235803e-06]]}