{"coeffs": [-2.7786567234447236e-06, 4.454492601110337e-05, 0.519202929405771, 0.22005531646543383], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.521543935351844e-07, 3.138345857044853e-06, 0.02579879117206219, 0.014816691550383104], "covariance": [[3.0487447430020727e-13, -1.500266356725705e-12, -1.1581609254463218e-08, -7.791264597110322e-09], [-1.5002663567256985e-12, 9.849214718430591e-12, 8.047896245409858e-08, 4.498591691477973e-08], [-1.1581609254463155e-08, 8.047896245409853e-08, 0.000665577625939674, 0.00036051706713991394], [-7.791264597110306e-09, 4.498591691477982e-08, 0.000360517067139915, 0.00021953434849919404]]}