{"coeffs": [-3.864939807217668e-06, 0.00010667774733983144, 0.4108368874507325, 0.16521391627820897], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2393168817411296e-06, 5.5896817990853044e-06, 0.01606285472596676, 0.010875646973845554], "covariance": [[1.535906333368557e-12, -5.233567259854377e-12, -1.2326310622202863e-08, -1.2052999558028097e-08], [-5.233567259854365e-12, 3.124454261502552e-11, 8.763066846923165e-08, 5.7129334069673e-08], [-1.2326310622202832e-08, 8.763066846923158e-08, 0.0002580153019475127, 0.00015257515953415795], [-1.205299955802809e-08, 5.712933406967305e-08, 0.00015257515953415816, 0.00011827969709971596]]}