{"coeffs": [-0.020914048242244656, 1.9276075881290623e-08, -2.0680867637948253, 0.1641104384407435], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.223499793842706, 5.3094330067827267e-08, 40.97020489934231, 0.022366384040809574], "covariance": [[27.28495009627479, -1.8474200205901037e-09, 214.00503462194828, 0.010316510589049149], [-1.8474200203229314e-09, 2.8190078853513867e-15, -2.224665837802038e-08, 8.439944829380484e-10], [214.00503462194672, -2.224665838045904e-08, 1678.5576894940928, 0.07623305589556197], [0.010316510589205354, 8.439944829378216e-10, 0.07623305589683019, 0.0005002551350609812]]}