{"coeffs": [-1.6687384691834157e-07, 6.163426613457418e-05, 0.6162717724762765, 0.11881288974959174], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.795585757043846e-08, 2.635351869793292e-06, 0.009083090189259265, 0.002095365198319382], "covariance": [[2.29976427531618e-15, -7.547245368844883e-14, -2.6294023952486e-10, -7.437504139444405e-11], [-7.547245368844876e-14, 6.945079477623e-12, 2.388190823885505e-08, 5.201760756987479e-09], [-2.6294023952485966e-10, 2.3881908238855045e-08, 8.25025273862179e-05, 1.8185154073058913e-05], [-7.437504139444409e-11, 5.201760756987479e-09, 1.8185154073058917e-05, 4.390555314328022e-06]]}