{"coeffs": [-4.2002614534393574e-08, 0.1519687479153402, 1.2408636404779303, 0.06407294190299602], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.4404505560341905e-08, 345.46517598678736, 146.25916406671078, 0.005957981435681324], "covariance": [[1.9717601140584352e-15, -6.1000758814021224e-06, -2.582892000008475e-06, -1.339148786968058e-10], [-6.100075881877953e-06, 119346.18781958194, 50527.44752442836, 1.971026681232768], [-2.582892000192363e-06, 50527.44752442807, 21391.743073493024, 0.834499760111374], [-1.339148787013117e-10, 1.9710266812026322, 0.834499760098872, 3.549754278792329e-05]]}