{"coeffs": [-9.579780853237109e-08, 1.342311841267705e-05, 0.6401952259670184, 0.09070218606360589], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.1765636994518494e-08, 1.3380837030624132e-06, 0.016405164539885966, 0.0038105053575807415], "covariance": [[4.73742953777152e-16, -1.4457593467848112e-14, -1.7843297227159047e-10, -5.294176167084724e-11], [-1.4457593467848087e-14, 1.7904679964012203e-12, 2.189083404176775e-08, 4.77380708727814e-09], [-1.7843297227159083e-10, 2.189083404176775e-08, 0.00026912942358073185, 5.945372317321953e-05], [-5.294176167084718e-11, 4.7738070872781375e-09, 5.945372317321951e-05, 1.4519951080151534e-05]]}