{"coeffs": [-7.380458815521946e-08, 7.377159320237334e-05, 0.7574023254770229, 0.11512719738091118], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.401761578461061e-08, 1.1797165773511398e-05, 0.025860499279655676, 0.0025144559001801393], "covariance": [[5.768458679771767e-16, -1.659778904284801e-13, -3.763334071685315e-10, -4.344013352568978e-11], [-1.6597789042848219e-13, 1.3917312028770879e-10, 3.0466311348110264e-07, 2.8210605921221622e-08], [-3.7633340716853613e-10, 3.0466311348110227e-07, 0.0006687654229930717, 6.275941572390028e-05], [-4.344013352569016e-11, 2.8210605921221433e-08, 6.275941572389994e-05, 6.322488473950714e-06]]}