{"coeffs": [-5.315296933115094e-07, 4.029627560026412e-05, 0.414521935722292, 0.11516606774070784], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5221336492714346e-07, 7.838225119434064e-07, 0.00495385976368021, 0.0032086801772516164], "covariance": [[2.3168908462443744e-14, -6.883497378970891e-14, -3.012778420303038e-10, -3.710322674491288e-10], [-6.883497378970886e-14, 6.143777302292714e-13, 3.727022776222083e-09, 2.2644014252279017e-09], [-3.0127784203030397e-10, 3.7270227762220835e-09, 2.4540726558209747e-05, 1.3016221561622026e-05], [-3.710322674491288e-10, 2.2644014252279025e-09, 1.3016221561622026e-05, 1.0295628479887463e-05]]}