{"coeffs": [2.397750229420982e-08, 1.1922481864562748e-07, 0.2679233277108345, 0.0839576363928837], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.5769248926297833e-09, 2.494746607035675e-09, 0.004487842826237152, 0.006499378816395534], "covariance": [[6.640541902255019e-18, -4.756566894256921e-18, 4.3386324711514876e-12, -1.5248580716661483e-11], [-4.756566894256916e-18, 6.223760633316012e-18, 3.439044835863494e-12, 1.473955384958284e-11], [4.3386324711515005e-12, 3.4390448358634824e-12, 2.014073323300827e-05, -1.098264905011412e-06], [-1.5248580716661473e-11, 1.4739553849582847e-11, -1.0982649050113771e-06, 4.224192499901101e-05]]}