{"coeffs": [-2.082643031445492e-05, -1.0512388279339592e-06, -0.28444669791758376, 0.08435137010635511], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.355517529385799e-06, 4.753824569481021e-07, 0.04604582666120501, 0.02492388387472792], "covariance": [[1.8970532948786974e-11, -7.091555273849959e-13, 1.9338530093741076e-07, -9.477032841058152e-08], [-7.09155527384996e-13, 2.2598848037401415e-13, -4.903748621036708e-09, 5.971229469768678e-09], [1.9338530093741082e-07, -4.903748621036709e-09, 0.002120218152913738, -0.0009529692326916629], [-9.477032841058153e-08, 5.971229469768681e-09, -0.0009529692326916627, 0.0006211999874009224]]}