{"coeffs": [3.131439587344926e-08, 1.1254929603015458e-05, 0.61998143729187, 0.06837294473625506], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.8982738933514536e-08, 4.949861124113494e-06, 0.05238453725378754, 0.009932307063271988], "covariance": [[1.51965393475855e-15, -7.307947156863885e-14, -7.88996581191583e-10, -1.93734756698171e-10], [-7.307947156863877e-14, 2.4501125148010102e-11, 2.5865588761569514e-07, 4.6159528329769e-08], [-7.889965811915835e-10, 2.5865588761569514e-07, 0.0027441397432934546, 0.0004972226983781938], [-1.9373475669817124e-10, 4.6159528329769e-08, 0.0004972226983781938, 9.865072359912264e-05]]}