{"coeffs": [2.2541435933089598e-07, 1.939504234442659e-05, 0.7480133960774856, 0.09593341421727124], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [8.561052966488338e-08, 1.5369935035547414e-05, 0.12282754850675465, 0.01856422250434035], "covariance": [[7.329162789501878e-15, -7.157431521750707e-13, -5.8777580066317505e-09, -1.068426920711455e-09], [-7.1574315217508e-13, 2.3623490299694787e-10, 1.8847838739214204e-06, 2.7145633646293407e-07], [-5.877758006631833e-09, 1.8847838739214202e-06, 0.015086606672179167, 0.002201079942854916], [-1.0684269207114631e-09, 2.714563364629333e-07, 0.00220107994285491, 0.0003446303571906567]]}