{"coeffs": [-8.337457481702239e-07, 7.614496655694327e-05, 0.3966828186568868, 0.11877753695830055], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3203590590774364e-07, 1.0040641594143276e-06, 0.003447748413027792, 0.0024259276256700982], "covariance": [[5.3840661630427257e-14, -1.3835742067795164e-13, -3.052322861206675e-10, -4.385281015097981e-10], [-1.383574206779516e-13, 1.0081448362204002e-12, 3.2829010528303654e-09, 2.1898671506800268e-09], [-3.052322861206674e-10, 3.282901052830365e-09, 1.1886969119535658e-05, 6.633622496618088e-06], [-4.38528101509798e-10, 2.1898671506800268e-09, 6.633622496618091e-06, 5.885124844989361e-06]]}