{"coeffs": [1.7064794512787222e-07, 2.4231888861907235e-06, 0.5773623494483885, 0.07442901862059502], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [8.233185440310594e-08, 9.137086564140827e-07, 0.07110395130812247, 0.03481671409447935], "covariance": [[6.778534249454235e-15, -3.029730808176358e-14, -1.8176949971558392e-09, -1.6057051765997745e-09], [-3.029730808176355e-14, 8.348635088060283e-13, 6.355918211399943e-08, 2.8531027092155578e-08], [-1.8176949971558374e-09, 6.355918211399943e-08, 0.00505577189162785, 0.002155136175020698], [-1.6057051765997726e-09, 2.853102709215558e-08, 0.0021551361750206982, 0.0012122035803367166]]}