{"coeffs": [-2.041121514217452e-06, 0.3267476372063601, 3.193482042228284, 0.28362443948893923], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.162516684690169e-06, 1007.8308404226415, 880.9228422556274, 0.09172761476981961], "covariance": [[4.6764784115633595e-12, -0.001994842691221856, -0.0017437696052346528, -1.9226677630904354e-07], [-0.0019948426913838045, 1015723.0029070079, 887821.1954879501, 90.84230981293446], [-0.0017437696053811626, 887821.1954879204, 776025.054007733, 79.40583041794694], [-1.9226677631620938e-07, 90.84230980957992, 79.40583041501178, 0.008413955311360428]]}