{"coeffs": [-1.317534903680393e-06, 7.522839074611903e-05, 0.3961883252158582, 0.13428727313414318], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.5356498973300737e-07, 1.5086090522850245e-06, 0.005554341548521162, 0.003918932674174462], "covariance": [[1.250082019649016e-13, -3.5172324351170973e-13, -9.176222692380366e-10, -1.1503953869272637e-09], [-3.517232435117101e-13, 2.27590127263632e-12, 8.028140892334614e-09, 5.41100281308051e-09], [-9.176222692380381e-10, 8.028140892334616e-09, 3.0850710037628456e-05, 1.7840304182064054e-05], [-1.1503953869272643e-09, 5.411002813080509e-09, 1.7840304182064047e-05, 1.5358033304712196e-05]]}