{"coeffs": [-2.3146410688515978e-06, 0.00015159645282175117, 0.5143497736245929, 0.14402645112218276], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.6383447255646186e-07, 3.824120873290141e-06, 0.007156171295605233, 0.003551958835978292], "covariance": [[2.1514241793173116e-13, -1.2738156796990463e-12, -2.158300696840947e-09, -1.4191430440091412e-09], [-1.2738156796990449e-12, 1.462390045353335e-11, 2.7122243108819277e-08, 1.2754958320996685e-08], [-2.158300696840943e-09, 2.712224310881928e-08, 5.121078761204428e-05, 2.3275751477695087e-05], [-1.4191430440091401e-09, 1.2754958320996693e-08, 2.32757514776951e-05, 1.2616411572484263e-05]]}