{"coeffs": [-6.817702534922527e-07, 0.19082789045602713, 1.8567689749745548, 0.15388308911550327], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.664375089071873e-07, 75.57243014691082, 61.40306632506945, 0.01412908248499076], "covariance": [[3.2085145149697994e-13, -3.18384666876993e-05, -2.5877675034408792e-05, -6.852310981868475e-09], [-3.183846669169879e-05, 5711.1921983097145, 4640.378376307126, 1.0292037300669372], [-2.5877675037688426e-05, 4640.378376306726, 3770.3365541208786, 0.8363480986098261], [-6.852310982302002e-09, 1.0292037300170533, 0.8363480985693299, 0.0001996309718676727]]}