{"coeffs": [-4.632603789601595e-06, 9.222641495081425e-05, 0.5393036520855854, 0.20793661960801424], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.97295711570847e-07, 5.677173174988516e-06, 0.022127361580814357, 0.0112526499775574], "covariance": [[6.356804516892633e-13, -3.852023866991288e-12, -1.4286454830378513e-08, -8.47152685143649e-09], [-3.852023866991298e-12, 3.223029525880919e-11, 1.2510449530636565e-07, 6.164232283051445e-08], [-1.428645483037855e-08, 1.2510449530636568e-07, 0.0004896201305280993, 0.0002360459027336582], [-8.471526851436507e-09, 6.164232283051442e-08, 0.00023604590273365803, 0.00012662213151742256]]}